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msvcrt: Implemented _putwch.
[wine.git] / dlls / msvcrt / file.c
blob7074120074f29782140c2cfcd3e249ca9ee4dfe4
1 /*
2 * msvcrt.dll file functions
3 *
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2004 Eric Pouech
9 * Copyright 2004 Juan Lang
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 *
25 * TODO
26 * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED
27 */
28
29 #include "config.h"
30 #include "wine/port.h"
31
32 #include <time.h>
33 #include <stdarg.h>
34 #include <stdio.h>
35 #ifdef HAVE_UNISTD_H
36 # include <unistd.h>
37 #endif
38 #include <sys/types.h>
39
40 #include "windef.h"
41 #include "winbase.h"
42 #include "winternl.h"
43 #include "msvcrt.h"
44
45 #include "wine/unicode.h"
46
47 #include "wine/debug.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
50
51 /* for stat mode, permissions apply to all,owner and group */
52 #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6))
53 #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6))
54 #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6))
55
56 /* _access() bit flags FIXME: incomplete */
57 #define MSVCRT_W_OK 0x02
58
59 /* values for wxflag in file descriptor */
60 #define WX_OPEN 0x01
61 #define WX_ATEOF 0x02
62 #define WX_READEOF 0x04 /* like ATEOF, but for underlying file rather than buffer */
63 #define WX_READCR 0x08 /* underlying file is at \r */
64 #define WX_DONTINHERIT 0x10
65 #define WX_APPEND 0x20
66 #define WX_TEXT 0x80
67
68 /* FIXME: this should be allocated dynamically */
69 #define MSVCRT_MAX_FILES 2048
70
71 typedef struct {
72 HANDLE handle;
73 unsigned char wxflag;
74 DWORD unkn[7]; /* critical section and init flag */
75 } ioinfo;
76
77 static ioinfo MSVCRT_fdesc[MSVCRT_MAX_FILES];
78
79 MSVCRT_FILE MSVCRT__iob[3] = { { 0 } };
80
81 static int MSVCRT_fdstart = 3; /* first unallocated fd */
82 static int MSVCRT_fdend = 3; /* highest allocated fd */
83
84 static MSVCRT_FILE* MSVCRT_fstreams[2048];
85 static int MSVCRT_stream_idx;
86
87 /* INTERNAL: process umask */
88 static int MSVCRT_umask = 0;
89
90 /* INTERNAL: Static buffer for temp file name */
91 static char MSVCRT_tmpname[MAX_PATH];
92
93 static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
94 static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
95 static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
96 static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
97
98 #define TOUL(x) (ULONGLONG)(x)
99 static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e');
100 static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t');
101 static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d');
102 static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m');
103
104 /* This critical section protects the tables MSVCRT_fdesc and MSVCRT_fstreams,
105 * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend,
106 * and MSVCRT_stream_idx, from race conditions.
107 * It doesn't protect against race conditions manipulating the underlying files
108 * or flags; doing so would probably be better accomplished with per-file
109 * protection, rather than locking the whole table for every change.
110 */
111 static CRITICAL_SECTION MSVCRT_file_cs;
112 #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0)
113 #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0)
114
115 static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf)
116 {
117 buf->st_dev = buf64->st_dev;
118 buf->st_ino = buf64->st_ino;
119 buf->st_mode = buf64->st_mode;
120 buf->st_nlink = buf64->st_nlink;
121 buf->st_uid = buf64->st_uid;
122 buf->st_gid = buf64->st_gid;
123 buf->st_rdev = buf64->st_rdev;
124 buf->st_size = buf64->st_size;
125 buf->st_atime = buf64->st_atime;
126 buf->st_mtime = buf64->st_mtime;
127 buf->st_ctime = buf64->st_ctime;
128 }
129
130 static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf)
131 {
132 buf->st_dev = buf64->st_dev;
133 buf->st_ino = buf64->st_ino;
134 buf->st_mode = buf64->st_mode;
135 buf->st_nlink = buf64->st_nlink;
136 buf->st_uid = buf64->st_uid;
137 buf->st_gid = buf64->st_gid;
138 buf->st_rdev = buf64->st_rdev;
139 buf->st_size = buf64->st_size;
140 buf->st_atime = buf64->st_atime;
141 buf->st_mtime = buf64->st_mtime;
142 buf->st_ctime = buf64->st_ctime;
143 }
144
145 static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft )
146 {
147 /* 1601 to 1970 is 369 years plus 89 leap days */
148 static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400);
149
150 __int64 ticks = (time + secs_1601_to_1970) * 10000000;
151 ft->dwHighDateTime = ticks >> 32;
152 ft->dwLowDateTime = ticks;
153 }
154
155 static inline BOOL msvcrt_is_valid_fd(int fd)
156 {
157 return fd >= 0 && fd < MSVCRT_fdend && (MSVCRT_fdesc[fd].wxflag & WX_OPEN);
158 }
159
160 /* INTERNAL: Get the HANDLE for a fd
161 * This doesn't lock the table, because a failure will result in
162 * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If
163 * it returns a valid handle which is about to be closed, a subsequent call
164 * will fail, most likely in a sane way.
165 */
166 static HANDLE msvcrt_fdtoh(int fd)
167 {
168 if (!msvcrt_is_valid_fd(fd))
169 {
170 WARN(":fd (%d) - no handle!\n",fd);
171 *MSVCRT___doserrno() = 0;
172 *MSVCRT__errno() = MSVCRT_EBADF;
173 return INVALID_HANDLE_VALUE;
174 }
175 if (MSVCRT_fdesc[fd].handle == INVALID_HANDLE_VALUE) FIXME("wtf\n");
176 return MSVCRT_fdesc[fd].handle;
177 }
178
179 /* INTERNAL: free a file entry fd */
180 static void msvcrt_free_fd(int fd)
181 {
182 HANDLE old_handle;
183
184 LOCK_FILES();
185 old_handle = MSVCRT_fdesc[fd].handle;
186 MSVCRT_fdesc[fd].handle = INVALID_HANDLE_VALUE;
187 MSVCRT_fdesc[fd].wxflag = 0;
188 TRACE(":fd (%d) freed\n",fd);
189 if (fd < 3) /* don't use 0,1,2 for user files */
190 {
191 switch (fd)
192 {
193 case 0:
194 if (GetStdHandle(STD_INPUT_HANDLE) == old_handle) SetStdHandle(STD_INPUT_HANDLE, 0);
195 break;
196 case 1:
197 if (GetStdHandle(STD_OUTPUT_HANDLE) == old_handle) SetStdHandle(STD_OUTPUT_HANDLE, 0);
198 break;
199 case 2:
200 if (GetStdHandle(STD_ERROR_HANDLE) == old_handle) SetStdHandle(STD_ERROR_HANDLE, 0);
201 break;
202 }
203 }
204 else
205 {
206 if (fd == MSVCRT_fdend - 1)
207 MSVCRT_fdend--;
208 if (fd < MSVCRT_fdstart)
209 MSVCRT_fdstart = fd;
210 }
211 UNLOCK_FILES();
212 }
213
214 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */
215 /* caller must hold the files lock */
216 static int msvcrt_alloc_fd_from(HANDLE hand, int flag, int fd)
217 {
218 if (fd >= MSVCRT_MAX_FILES)
219 {
220 WARN(":files exhausted!\n");
221 *MSVCRT__errno() = MSVCRT_ENFILE;
222 return -1;
223 }
224 MSVCRT_fdesc[fd].handle = hand;
225 MSVCRT_fdesc[fd].wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT));
226
227 /* locate next free slot */
228 if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend)
229 MSVCRT_fdstart = MSVCRT_fdend + 1;
230 else
231 while (MSVCRT_fdstart < MSVCRT_fdend &&
232 MSVCRT_fdesc[MSVCRT_fdstart].handle != INVALID_HANDLE_VALUE)
233 MSVCRT_fdstart++;
234 /* update last fd in use */
235 if (fd >= MSVCRT_fdend)
236 MSVCRT_fdend = fd + 1;
237 TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend);
238
239 switch (fd)
240 {
241 case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break;
242 case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break;
243 case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break;
244 }
245
246 return fd;
247 }
248
249 /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */
250 static int msvcrt_alloc_fd(HANDLE hand, int flag)
251 {
252 int ret;
253
254 LOCK_FILES();
255 TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart);
256 ret = msvcrt_alloc_fd_from(hand, flag, MSVCRT_fdstart);
257 UNLOCK_FILES();
258 return ret;
259 }
260
261 /* INTERNAL: Allocate a FILE* for an fd slot */
262 /* caller must hold the files lock */
263 static MSVCRT_FILE* msvcrt_alloc_fp(void)
264 {
265 unsigned int i;
266
267 for (i = 3; i < sizeof(MSVCRT_fstreams) / sizeof(MSVCRT_fstreams[0]); i++)
268 {
269 if (!MSVCRT_fstreams[i] || MSVCRT_fstreams[i]->_flag == 0)
270 {
271 if (!MSVCRT_fstreams[i])
272 {
273 if (!(MSVCRT_fstreams[i] = MSVCRT_calloc(sizeof(MSVCRT_FILE),1)))
274 return NULL;
275 if (i == MSVCRT_stream_idx) MSVCRT_stream_idx++;
276 }
277 return MSVCRT_fstreams[i];
278 }
279 }
280 return NULL;
281 }
282
283 /* INTERNAL: initialize a FILE* from an open fd */
284 static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags)
285 {
286 TRACE(":fd (%d) allocating FILE*\n",fd);
287 if (!msvcrt_is_valid_fd(fd))
288 {
289 WARN(":invalid fd %d\n",fd);
290 *MSVCRT___doserrno() = 0;
291 *MSVCRT__errno() = MSVCRT_EBADF;
292 return -1;
293 }
294 memset(file, 0, sizeof(*file));
295 file->_file = fd;
296 file->_flag = stream_flags;
297
298 TRACE(":got FILE* (%p)\n",file);
299 return 0;
300 }
301
302 /* INTERNAL: Create an inheritance data block (for spawned process)
303 * The inheritance block is made of:
304 * 00 int nb of file descriptor (NBFD)
305 * 04 char file flags (wxflag): repeated for each fd
306 * 4+NBFD HANDLE file handle: repeated for each fd
307 */
308 unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block)
309 {
310 int fd;
311 char* wxflag_ptr;
312 HANDLE* handle_ptr;
313
314 *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend;
315 *block = MSVCRT_calloc(*size, 1);
316 if (!*block)
317 {
318 *size = 0;
319 return FALSE;
320 }
321 wxflag_ptr = (char*)*block + sizeof(unsigned);
322 handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char));
323
324 *(unsigned*)*block = MSVCRT_fdend;
325 for (fd = 0; fd < MSVCRT_fdend; fd++)
326 {
327 /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */
328 if ((MSVCRT_fdesc[fd].wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN)
329 {
330 *wxflag_ptr = MSVCRT_fdesc[fd].wxflag;
331 *handle_ptr = MSVCRT_fdesc[fd].handle;
332 }
333 else
334 {
335 *wxflag_ptr = 0;
336 *handle_ptr = INVALID_HANDLE_VALUE;
337 }
338 wxflag_ptr++; handle_ptr++;
339 }
340 return TRUE;
341 }
342
343 /* INTERNAL: Set up all file descriptors,
344 * as well as default streams (stdin, stderr and stdout)
345 */
346 void msvcrt_init_io(void)
347 {
348 STARTUPINFOA si;
349 int i;
350
351 InitializeCriticalSection(&MSVCRT_file_cs);
352 MSVCRT_file_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs");
353 GetStartupInfoA(&si);
354 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
355 {
356 BYTE* wxflag_ptr;
357 HANDLE* handle_ptr;
358 unsigned int count;
359
360 count = *(unsigned*)si.lpReserved2;
361 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
362 handle_ptr = (HANDLE*)(wxflag_ptr + count);
363
364 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
365 count = min(count, sizeof(MSVCRT_fdesc) / sizeof(MSVCRT_fdesc[0]));
366 for (i = 0; i < count; i++)
367 {
368 if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE)
369 {
370 MSVCRT_fdesc[i].wxflag = *wxflag_ptr;
371 MSVCRT_fdesc[i].handle = *handle_ptr;
372 }
373 else
374 {
375 MSVCRT_fdesc[i].wxflag = 0;
376 MSVCRT_fdesc[i].handle = INVALID_HANDLE_VALUE;
377 }
378 wxflag_ptr++; handle_ptr++;
379 }
380 MSVCRT_fdend = max( 3, count );
381 for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++)
382 if (MSVCRT_fdesc[MSVCRT_fdstart].handle == INVALID_HANDLE_VALUE) break;
383 }
384
385 if (!(MSVCRT_fdesc[0].wxflag & WX_OPEN) || MSVCRT_fdesc[0].handle == INVALID_HANDLE_VALUE)
386 {
387 HANDLE std = GetStdHandle(STD_INPUT_HANDLE);
388 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
389 GetCurrentProcess(), &MSVCRT_fdesc[0].handle,
390 0, TRUE, DUPLICATE_SAME_ACCESS))
391 MSVCRT_fdesc[0].wxflag = WX_OPEN | WX_TEXT;
392 }
393 if (!(MSVCRT_fdesc[1].wxflag & WX_OPEN) || MSVCRT_fdesc[1].handle == INVALID_HANDLE_VALUE)
394 {
395 HANDLE std = GetStdHandle(STD_OUTPUT_HANDLE);
396 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
397 GetCurrentProcess(), &MSVCRT_fdesc[1].handle,
398 0, TRUE, DUPLICATE_SAME_ACCESS))
399 MSVCRT_fdesc[1].wxflag = WX_OPEN | WX_TEXT;
400 }
401 if (!(MSVCRT_fdesc[2].wxflag & WX_OPEN) || MSVCRT_fdesc[2].handle == INVALID_HANDLE_VALUE)
402 {
403 HANDLE std = GetStdHandle(STD_ERROR_HANDLE);
404 if (std != INVALID_HANDLE_VALUE && DuplicateHandle(GetCurrentProcess(), std,
405 GetCurrentProcess(), &MSVCRT_fdesc[2].handle,
406 0, TRUE, DUPLICATE_SAME_ACCESS))
407 MSVCRT_fdesc[2].wxflag = WX_OPEN | WX_TEXT;
408 }
409
410 TRACE(":handles (%p)(%p)(%p)\n",MSVCRT_fdesc[0].handle,
411 MSVCRT_fdesc[1].handle,MSVCRT_fdesc[2].handle);
412
413 memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE));
414 for (i = 0; i < 3; i++)
415 {
416 /* FILE structs for stdin/out/err are static and never deleted */
417 MSVCRT_fstreams[i] = &MSVCRT__iob[i];
418 MSVCRT__iob[i]._file = i;
419 MSVCRT__iob[i]._tmpfname = NULL;
420 MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT;
421 }
422 MSVCRT_stream_idx = 3;
423 }
424
425 /* INTERNAL: Flush stdio file buffer */
426 static int msvcrt_flush_buffer(MSVCRT_FILE* file)
427 {
428 if(file->_bufsiz) {
429 int cnt=file->_ptr-file->_base;
430 if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) {
431 file->_flag |= MSVCRT__IOERR;
432 return MSVCRT_EOF;
433 }
434 file->_ptr=file->_base;
435 file->_cnt=file->_bufsiz;
436 }
437 return 0;
438 }
439
440 /* INTERNAL: Allocate stdio file buffer */
441 static void msvcrt_alloc_buffer(MSVCRT_FILE* file)
442 {
443 file->_base = MSVCRT_calloc(MSVCRT_BUFSIZ,1);
444 if(file->_base) {
445 file->_bufsiz = MSVCRT_BUFSIZ;
446 file->_flag |= MSVCRT__IOMYBUF;
447 } else {
448 file->_base = (char*)(&file->_charbuf);
449 /* put here 2 ??? */
450 file->_bufsiz = sizeof(file->_charbuf);
451 }
452 file->_ptr = file->_base;
453 file->_cnt = 0;
454 }
455
456 /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */
457 static void msvcrt_int_to_base32(int num, char *str)
458 {
459 char *p;
460 int n = num;
461 int digits = 0;
462
463 while (n != 0)
464 {
465 n >>= 5;
466 digits++;
467 }
468 p = str + digits;
469 *p = 0;
470 while (--p >= str)
471 {
472 *p = (num & 31) + '0';
473 if (*p > '9')
474 *p += ('a' - '0' - 10);
475 num >>= 5;
476 }
477 }
478
479 /*********************************************************************
480 * __iob_func(MSVCRT.@)
481 */
482 MSVCRT_FILE * CDECL MSVCRT___iob_func(void)
483 {
484 return &MSVCRT__iob[0];
485 }
486
487 /*********************************************************************
488 * _access (MSVCRT.@)
489 */
490 int CDECL MSVCRT__access(const char *filename, int mode)
491 {
492 DWORD attr = GetFileAttributesA(filename);
493
494 TRACE("(%s,%d) %d\n",filename,mode,attr);
495
496 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
497 {
498 msvcrt_set_errno(GetLastError());
499 return -1;
500 }
501 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
502 {
503 msvcrt_set_errno(ERROR_ACCESS_DENIED);
504 return -1;
505 }
506 return 0;
507 }
508
509 /*********************************************************************
510 * _waccess (MSVCRT.@)
511 */
512 int CDECL _waccess(const MSVCRT_wchar_t *filename, int mode)
513 {
514 DWORD attr = GetFileAttributesW(filename);
515
516 TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr);
517
518 if (!filename || attr == INVALID_FILE_ATTRIBUTES)
519 {
520 msvcrt_set_errno(GetLastError());
521 return -1;
522 }
523 if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK))
524 {
525 msvcrt_set_errno(ERROR_ACCESS_DENIED);
526 return -1;
527 }
528 return 0;
529 }
530
531 /*********************************************************************
532 * _chmod (MSVCRT.@)
533 */
534 int CDECL MSVCRT__chmod(const char *path, int flags)
535 {
536 DWORD oldFlags = GetFileAttributesA(path);
537
538 if (oldFlags != INVALID_FILE_ATTRIBUTES)
539 {
540 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
541 oldFlags | FILE_ATTRIBUTE_READONLY;
542
543 if (newFlags == oldFlags || SetFileAttributesA(path, newFlags))
544 return 0;
545 }
546 msvcrt_set_errno(GetLastError());
547 return -1;
548 }
549
550 /*********************************************************************
551 * _wchmod (MSVCRT.@)
552 */
553 int CDECL _wchmod(const MSVCRT_wchar_t *path, int flags)
554 {
555 DWORD oldFlags = GetFileAttributesW(path);
556
557 if (oldFlags != INVALID_FILE_ATTRIBUTES)
558 {
559 DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY:
560 oldFlags | FILE_ATTRIBUTE_READONLY;
561
562 if (newFlags == oldFlags || SetFileAttributesW(path, newFlags))
563 return 0;
564 }
565 msvcrt_set_errno(GetLastError());
566 return -1;
567 }
568
569 /*********************************************************************
570 * _unlink (MSVCRT.@)
571 */
572 int CDECL MSVCRT__unlink(const char *path)
573 {
574 TRACE("%s\n",debugstr_a(path));
575 if(DeleteFileA(path))
576 return 0;
577 TRACE("failed (%d)\n",GetLastError());
578 msvcrt_set_errno(GetLastError());
579 return -1;
580 }
581
582 /*********************************************************************
583 * _wunlink (MSVCRT.@)
584 */
585 int CDECL _wunlink(const MSVCRT_wchar_t *path)
586 {
587 TRACE("(%s)\n",debugstr_w(path));
588 if(DeleteFileW(path))
589 return 0;
590 TRACE("failed (%d)\n",GetLastError());
591 msvcrt_set_errno(GetLastError());
592 return -1;
593 }
594
595 /* _flushall calls MSVCRT_fflush which calls _flushall */
596 int CDECL MSVCRT_fflush(MSVCRT_FILE* file);
597
598 /*********************************************************************
599 * _flushall (MSVCRT.@)
600 */
601 int CDECL _flushall(void)
602 {
603 int i, num_flushed = 0;
604
605 LOCK_FILES();
606 for (i = 3; i < MSVCRT_stream_idx; i++)
607 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag)
608 {
609 #if 0
610 /* FIXME: flush, do not commit */
611 if (_commit(i) == -1)
612 if (MSVCRT_fstreams[i])
613 MSVCRT_fstreams[i]->_flag |= MSVCRT__IOERR;
614 #endif
615 if(MSVCRT_fstreams[i]->_flag & MSVCRT__IOWRT) {
616 MSVCRT_fflush(MSVCRT_fstreams[i]);
617 num_flushed++;
618 }
619 }
620 UNLOCK_FILES();
621
622 TRACE(":flushed (%d) handles\n",num_flushed);
623 return num_flushed;
624 }
625
626 /*********************************************************************
627 * fflush (MSVCRT.@)
628 */
629 int CDECL MSVCRT_fflush(MSVCRT_FILE* file)
630 {
631 if(!file) {
632 _flushall();
633 } else if(file->_flag & MSVCRT__IOWRT) {
634 int res=msvcrt_flush_buffer(file);
635 return res;
636 }
637 return 0;
638 }
639
640 /*********************************************************************
641 * _close (MSVCRT.@)
642 */
643 int CDECL MSVCRT__close(int fd)
644 {
645 HANDLE hand;
646 int ret;
647
648 LOCK_FILES();
649 hand = msvcrt_fdtoh(fd);
650 TRACE(":fd (%d) handle (%p)\n",fd,hand);
651 if (hand == INVALID_HANDLE_VALUE)
652 ret = -1;
653 else if (!CloseHandle(hand))
654 {
655 WARN(":failed-last error (%d)\n",GetLastError());
656 msvcrt_set_errno(GetLastError());
657 ret = -1;
658 }
659 else
660 {
661 msvcrt_free_fd(fd);
662 ret = 0;
663 }
664 UNLOCK_FILES();
665 TRACE(":ok\n");
666 return ret;
667 }
668
669 /*********************************************************************
670 * _commit (MSVCRT.@)
671 */
672 int CDECL _commit(int fd)
673 {
674 HANDLE hand = msvcrt_fdtoh(fd);
675
676 TRACE(":fd (%d) handle (%p)\n",fd,hand);
677 if (hand == INVALID_HANDLE_VALUE)
678 return -1;
679
680 if (!FlushFileBuffers(hand))
681 {
682 if (GetLastError() == ERROR_INVALID_HANDLE)
683 {
684 /* FlushFileBuffers fails for console handles
685 * so we ignore this error.
686 */
687 return 0;
688 }
689 TRACE(":failed-last error (%d)\n",GetLastError());
690 msvcrt_set_errno(GetLastError());
691 return -1;
692 }
693 TRACE(":ok\n");
694 return 0;
695 }
696
697 /*********************************************************************
698 * _dup2 (MSVCRT.@)
699 * NOTES
700 * MSDN isn't clear on this point, but the remarks for _pipe
701 * indicate file descriptors duplicated with _dup and _dup2 are always
702 * inheritable.
703 */
704 int CDECL MSVCRT__dup2(int od, int nd)
705 {
706 int ret;
707
708 TRACE("(od=%d, nd=%d)\n", od, nd);
709 LOCK_FILES();
710 if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od))
711 {
712 HANDLE handle;
713
714 if (DuplicateHandle(GetCurrentProcess(), MSVCRT_fdesc[od].handle,
715 GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS))
716 {
717 int wxflag = MSVCRT_fdesc[od].wxflag & ~MSVCRT__O_NOINHERIT;
718
719 if (msvcrt_is_valid_fd(nd))
720 MSVCRT__close(nd);
721 ret = msvcrt_alloc_fd_from(handle, wxflag, nd);
722 if (ret == -1)
723 {
724 CloseHandle(handle);
725 *MSVCRT__errno() = MSVCRT_EMFILE;
726 }
727 else
728 {
729 /* _dup2 returns 0, not nd, on success */
730 ret = 0;
731 }
732 }
733 else
734 {
735 ret = -1;
736 msvcrt_set_errno(GetLastError());
737 }
738 }
739 else
740 {
741 *MSVCRT__errno() = MSVCRT_EBADF;
742 ret = -1;
743 }
744 UNLOCK_FILES();
745 return ret;
746 }
747
748 /*********************************************************************
749 * _dup (MSVCRT.@)
750 */
751 int CDECL MSVCRT__dup(int od)
752 {
753 int fd, ret;
754
755 LOCK_FILES();
756 fd = MSVCRT_fdstart;
757 if (MSVCRT__dup2(od, fd) == 0)
758 ret = fd;
759 else
760 ret = -1;
761 UNLOCK_FILES();
762 return ret;
763 }
764
765 /*********************************************************************
766 * _eof (MSVCRT.@)
767 */
768 int CDECL _eof(int fd)
769 {
770 DWORD curpos,endpos;
771 LONG hcurpos,hendpos;
772 HANDLE hand = msvcrt_fdtoh(fd);
773
774 TRACE(":fd (%d) handle (%p)\n",fd,hand);
775
776 if (hand == INVALID_HANDLE_VALUE)
777 return -1;
778
779 if (MSVCRT_fdesc[fd].wxflag & WX_ATEOF) return TRUE;
780
781 /* Otherwise we do it the hard way */
782 hcurpos = hendpos = 0;
783 curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT);
784 endpos = SetFilePointer(hand, 0, &hendpos, FILE_END);
785
786 if (curpos == endpos && hcurpos == hendpos)
787 {
788 /* FIXME: shouldn't WX_ATEOF be set here? */
789 return TRUE;
790 }
791
792 SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN);
793 return FALSE;
794 }
795
796 /*********************************************************************
797 * _fcloseall (MSVCRT.@)
798 */
799 int CDECL MSVCRT__fcloseall(void)
800 {
801 int num_closed = 0, i;
802
803 LOCK_FILES();
804 for (i = 3; i < MSVCRT_stream_idx; i++)
805 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_flag &&
806 !MSVCRT_fclose(MSVCRT_fstreams[i]))
807 num_closed++;
808 UNLOCK_FILES();
809
810 TRACE(":closed (%d) handles\n",num_closed);
811 return num_closed;
812 }
813
814 /* free everything on process exit */
815 void msvcrt_free_io(void)
816 {
817 MSVCRT__fcloseall();
818 /* The Win32 _fcloseall() function explicitly doesn't close stdin,
819 * stdout, and stderr (unlike GNU), so we need to fclose() them here
820 * or they won't get flushed.
821 */
822 MSVCRT_fclose(&MSVCRT__iob[0]);
823 MSVCRT_fclose(&MSVCRT__iob[1]);
824 MSVCRT_fclose(&MSVCRT__iob[2]);
825 MSVCRT_file_cs.DebugInfo->Spare[0] = 0;
826 DeleteCriticalSection(&MSVCRT_file_cs);
827 }
828
829 /*********************************************************************
830 * _lseeki64 (MSVCRT.@)
831 */
832 __int64 CDECL MSVCRT__lseeki64(int fd, __int64 offset, int whence)
833 {
834 HANDLE hand = msvcrt_fdtoh(fd);
835 LARGE_INTEGER ofs, ret;
836
837 TRACE(":fd (%d) handle (%p)\n",fd,hand);
838 if (hand == INVALID_HANDLE_VALUE)
839 return -1;
840
841 if (whence < 0 || whence > 2)
842 {
843 *MSVCRT__errno() = MSVCRT_EINVAL;
844 return -1;
845 }
846
847 TRACE(":fd (%d) to %s pos %s\n",
848 fd,wine_dbgstr_longlong(offset),
849 (whence==SEEK_SET)?"SEEK_SET":
850 (whence==SEEK_CUR)?"SEEK_CUR":
851 (whence==SEEK_END)?"SEEK_END":"UNKNOWN");
852
853 ofs.QuadPart = offset;
854 if (SetFilePointerEx(hand, ofs, &ret, whence))
855 {
856 MSVCRT_fdesc[fd].wxflag &= ~(WX_ATEOF|WX_READEOF);
857 /* FIXME: What if we seek _to_ EOF - is EOF set? */
858
859 return ret.QuadPart;
860 }
861 TRACE(":error-last error (%d)\n",GetLastError());
862 msvcrt_set_errno(GetLastError());
863 return -1;
864 }
865
866 /*********************************************************************
867 * _lseek (MSVCRT.@)
868 */
869 LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence)
870 {
871 return MSVCRT__lseeki64(fd, offset, whence);
872 }
873
874 /*********************************************************************
875 * _lock_file (MSVCRT.@)
876 */
877 void CDECL MSVCRT__lock_file(MSVCRT_FILE *file)
878 {
879 FIXME("(%p) stub\n",file);
880 }
881
882 /*********************************************************************
883 * _unlock_file (MSVCRT.@)
884 */
885 void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file)
886 {
887 FIXME("(%p) stub\n",file);
888 }
889
890 /*********************************************************************
891 * _locking (MSVCRT.@)
892 *
893 * This is untested; the underlying LockFile doesn't work yet.
894 */
895 int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes)
896 {
897 BOOL ret;
898 DWORD cur_locn;
899 HANDLE hand = msvcrt_fdtoh(fd);
900
901 TRACE(":fd (%d) handle (%p)\n",fd,hand);
902 if (hand == INVALID_HANDLE_VALUE)
903 return -1;
904
905 if (mode < 0 || mode > 4)
906 {
907 *MSVCRT__errno() = MSVCRT_EINVAL;
908 return -1;
909 }
910
911 TRACE(":fd (%d) by 0x%08x mode %s\n",
912 fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK":
913 (mode==MSVCRT__LK_LOCK)?"_LK_LOCK":
914 (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK":
915 (mode==MSVCRT__LK_RLCK)?"_LK_RLCK":
916 (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK":
917 "UNKNOWN");
918
919 if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER)
920 {
921 FIXME ("Seek failed\n");
922 *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */
923 return -1;
924 }
925 if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK)
926 {
927 int nretry = 10;
928 ret = 1; /* just to satisfy gcc */
929 while (nretry--)
930 {
931 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
932 if (ret) break;
933 Sleep(1);
934 }
935 }
936 else if (mode == MSVCRT__LK_UNLCK)
937 ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L);
938 else
939 ret = LockFile(hand, cur_locn, 0L, nbytes, 0L);
940 /* FIXME - what about error settings? */
941 return ret ? 0 : -1;
942 }
943
944 /*********************************************************************
945 * _fseeki64 (MSVCRT.@)
946 */
947 int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence)
948 {
949 /* Flush output if needed */
950 if(file->_flag & MSVCRT__IOWRT)
951 msvcrt_flush_buffer(file);
952
953 if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) {
954 offset -= file->_cnt;
955 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
956 /* Black magic correction for CR removal */
957 int i;
958 for (i=0; i<file->_cnt; i++) {
959 if (file->_ptr[i] == '\n')
960 offset--;
961 }
962 /* Black magic when reading CR at buffer boundary*/
963 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
964 offset--;
965 }
966 }
967 /* Discard buffered input */
968 file->_cnt = 0;
969 file->_ptr = file->_base;
970 /* Reset direction of i/o */
971 if(file->_flag & MSVCRT__IORW) {
972 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
973 }
974 /* Clear end of file flag */
975 file->_flag &= ~MSVCRT__IOEOF;
976 return (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0;
977 }
978
979 /*********************************************************************
980 * fseek (MSVCRT.@)
981 */
982 int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence)
983 {
984 return MSVCRT__fseeki64( file, offset, whence );
985 }
986
987 /*********************************************************************
988 * _chsize (MSVCRT.@)
989 */
990 int CDECL MSVCRT__chsize(int fd, MSVCRT_long size)
991 {
992 LONG cur, pos;
993 HANDLE handle;
994 BOOL ret = FALSE;
995
996 TRACE("(fd=%d, size=%d)\n", fd, size);
997
998 LOCK_FILES();
999
1000 handle = msvcrt_fdtoh(fd);
1001 if (handle != INVALID_HANDLE_VALUE)
1002 {
1003 /* save the current file pointer */
1004 cur = MSVCRT__lseek(fd, 0, SEEK_CUR);
1005 if (cur >= 0)
1006 {
1007 pos = MSVCRT__lseek(fd, size, SEEK_SET);
1008 if (pos >= 0)
1009 {
1010 ret = SetEndOfFile(handle);
1011 if (!ret) msvcrt_set_errno(GetLastError());
1012 }
1013
1014 /* restore the file pointer */
1015 MSVCRT__lseek(fd, cur, SEEK_SET);
1016 }
1017 }
1018
1019 UNLOCK_FILES();
1020 return ret ? 0 : -1;
1021 }
1022
1023 /*********************************************************************
1024 * clearerr (MSVCRT.@)
1025 */
1026 void CDECL MSVCRT_clearerr(MSVCRT_FILE* file)
1027 {
1028 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1029 file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF);
1030 }
1031
1032 /*********************************************************************
1033 * rewind (MSVCRT.@)
1034 */
1035 void CDECL MSVCRT_rewind(MSVCRT_FILE* file)
1036 {
1037 TRACE(":file (%p) fd (%d)\n",file,file->_file);
1038 MSVCRT_fseek(file, 0L, SEEK_SET);
1039 MSVCRT_clearerr(file);
1040 }
1041
1042 static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags)
1043 {
1044 int plus = strchrW(mode, '+') != NULL;
1045
1046 switch(*mode++)
1047 {
1048 case 'R': case 'r':
1049 *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY;
1050 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD;
1051 break;
1052 case 'W': case 'w':
1053 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1054 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1055 break;
1056 case 'A': case 'a':
1057 *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY);
1058 *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT;
1059 break;
1060 default:
1061 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
1062 *MSVCRT__errno() = MSVCRT_EINVAL;
1063 return -1;
1064 }
1065
1066 while (*mode)
1067 switch (*mode++)
1068 {
1069 case 'B': case 'b':
1070 *open_flags |= MSVCRT__O_BINARY;
1071 *open_flags &= ~MSVCRT__O_TEXT;
1072 break;
1073 case 'T': case 't':
1074 *open_flags |= MSVCRT__O_TEXT;
1075 *open_flags &= ~MSVCRT__O_BINARY;
1076 break;
1077 case '+':
1078 case ' ':
1079 break;
1080 default:
1081 FIXME(":unknown flag %c not supported\n",mode[-1]);
1082 }
1083 return 0;
1084 }
1085
1086 /*********************************************************************
1087 * _fdopen (MSVCRT.@)
1088 */
1089 MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode)
1090 {
1091 MSVCRT_FILE *ret;
1092 MSVCRT_wchar_t *modeW = NULL;
1093
1094 if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL;
1095
1096 ret = MSVCRT__wfdopen(fd, modeW);
1097
1098 MSVCRT_free(modeW);
1099 return ret;
1100 }
1101
1102 /*********************************************************************
1103 * _wfdopen (MSVCRT.@)
1104 */
1105 MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode)
1106 {
1107 int open_flags, stream_flags;
1108 MSVCRT_FILE* file;
1109
1110 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL;
1111
1112 LOCK_FILES();
1113 if (!(file = msvcrt_alloc_fp()))
1114 file = NULL;
1115 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
1116 {
1117 file->_flag = 0;
1118 file = NULL;
1119 }
1120 else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
1121 UNLOCK_FILES();
1122
1123 return file;
1124 }
1125
1126 /*********************************************************************
1127 * _filelength (MSVCRT.@)
1128 */
1129 LONG CDECL MSVCRT__filelength(int fd)
1130 {
1131 LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR);
1132 if (curPos != -1)
1133 {
1134 LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END);
1135 if (endPos != -1)
1136 {
1137 if (endPos != curPos)
1138 MSVCRT__lseek(fd, curPos, SEEK_SET);
1139 return endPos;
1140 }
1141 }
1142 return -1;
1143 }
1144
1145 /*********************************************************************
1146 * _filelengthi64 (MSVCRT.@)
1147 */
1148 __int64 CDECL MSVCRT__filelengthi64(int fd)
1149 {
1150 __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR);
1151 if (curPos != -1)
1152 {
1153 __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END);
1154 if (endPos != -1)
1155 {
1156 if (endPos != curPos)
1157 MSVCRT__lseeki64(fd, curPos, SEEK_SET);
1158 return endPos;
1159 }
1160 }
1161 return -1;
1162 }
1163
1164 /*********************************************************************
1165 * _fileno (MSVCRT.@)
1166 */
1167 int CDECL MSVCRT__fileno(MSVCRT_FILE* file)
1168 {
1169 TRACE(":FILE* (%p) fd (%d)\n",file,file->_file);
1170 return file->_file;
1171 }
1172
1173 /*********************************************************************
1174 * _fstat64 (MSVCRT.@)
1175 */
1176 int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf)
1177 {
1178 DWORD dw;
1179 DWORD type;
1180 BY_HANDLE_FILE_INFORMATION hfi;
1181 HANDLE hand = msvcrt_fdtoh(fd);
1182
1183 TRACE(":fd (%d) stat (%p)\n",fd,buf);
1184 if (hand == INVALID_HANDLE_VALUE)
1185 return -1;
1186
1187 if (!buf)
1188 {
1189 WARN(":failed-NULL buf\n");
1190 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1191 return -1;
1192 }
1193
1194 memset(&hfi, 0, sizeof(hfi));
1195 memset(buf, 0, sizeof(struct MSVCRT__stat64));
1196 type = GetFileType(hand);
1197 if (type == FILE_TYPE_PIPE)
1198 {
1199 buf->st_dev = buf->st_rdev = fd;
1200 buf->st_mode = S_IFIFO;
1201 buf->st_nlink = 1;
1202 }
1203 else if (type == FILE_TYPE_CHAR)
1204 {
1205 buf->st_dev = buf->st_rdev = fd;
1206 buf->st_mode = S_IFCHR;
1207 buf->st_nlink = 1;
1208 }
1209 else /* FILE_TYPE_DISK etc. */
1210 {
1211 if (!GetFileInformationByHandle(hand, &hfi))
1212 {
1213 WARN(":failed-last error (%d)\n",GetLastError());
1214 msvcrt_set_errno(ERROR_INVALID_PARAMETER);
1215 return -1;
1216 }
1217 buf->st_mode = S_IFREG | 0444;
1218 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1219 buf->st_mode |= 0222;
1220 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1221 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1222 buf->st_atime = dw;
1223 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1224 buf->st_mtime = buf->st_ctime = dw;
1225 buf->st_nlink = hfi.nNumberOfLinks;
1226 }
1227 TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes,
1228 buf->st_mode);
1229 return 0;
1230 }
1231
1232 /*********************************************************************
1233 * _fstati64 (MSVCRT.@)
1234 */
1235 int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf)
1236 {
1237 int ret;
1238 struct MSVCRT__stat64 buf64;
1239
1240 ret = MSVCRT__fstat64(fd, &buf64);
1241 if (!ret)
1242 msvcrt_stat64_to_stati64(&buf64, buf);
1243 return ret;
1244 }
1245
1246 /*********************************************************************
1247 * _fstat (MSVCRT.@)
1248 */
1249 int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf)
1250 { int ret;
1251 struct MSVCRT__stat64 buf64;
1252
1253 ret = MSVCRT__fstat64(fd, &buf64);
1254 if (!ret)
1255 msvcrt_stat64_to_stat(&buf64, buf);
1256 return ret;
1257 }
1258
1259 /*********************************************************************
1260 * _futime64 (MSVCRT.@)
1261 */
1262 int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t)
1263 {
1264 HANDLE hand = msvcrt_fdtoh(fd);
1265 FILETIME at, wt;
1266
1267 if (!t)
1268 {
1269 time_to_filetime( MSVCRT__time64(NULL), &at );
1270 wt = at;
1271 }
1272 else
1273 {
1274 time_to_filetime( t->actime, &at );
1275 time_to_filetime( t->modtime, &wt );
1276 }
1277
1278 if (!SetFileTime(hand, NULL, &at, &wt))
1279 {
1280 msvcrt_set_errno(GetLastError());
1281 return -1 ;
1282 }
1283 return 0;
1284 }
1285
1286 /*********************************************************************
1287 * _futime32 (MSVCRT.@)
1288 */
1289 int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t)
1290 {
1291 struct MSVCRT___utimbuf64 t64;
1292 t64.actime = t->actime;
1293 t64.modtime = t->modtime;
1294 return _futime64( fd, &t64 );
1295 }
1296
1297 /*********************************************************************
1298 * _futime (MSVCRT.@)
1299 */
1300 #ifdef _WIN64
1301 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t)
1302 {
1303 return _futime64( fd, t );
1304 }
1305 #else
1306 int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t)
1307 {
1308 return _futime32( fd, t );
1309 }
1310 #endif
1311
1312 /*********************************************************************
1313 * _get_osfhandle (MSVCRT.@)
1314 */
1315 MSVCRT_intptr_t CDECL _get_osfhandle(int fd)
1316 {
1317 HANDLE hand = msvcrt_fdtoh(fd);
1318 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1319
1320 return (MSVCRT_intptr_t)hand;
1321 }
1322
1323 /*********************************************************************
1324 * _isatty (MSVCRT.@)
1325 */
1326 int CDECL _isatty(int fd)
1327 {
1328 HANDLE hand = msvcrt_fdtoh(fd);
1329
1330 TRACE(":fd (%d) handle (%p)\n",fd,hand);
1331 if (hand == INVALID_HANDLE_VALUE)
1332 return 0;
1333
1334 return GetFileType(hand) == FILE_TYPE_CHAR? 1 : 0;
1335 }
1336
1337 /*********************************************************************
1338 * _mktemp (MSVCRT.@)
1339 */
1340 char * CDECL _mktemp(char *pattern)
1341 {
1342 int numX = 0;
1343 char *retVal = pattern;
1344 int id;
1345 char letter = 'a';
1346
1347 while(*pattern)
1348 numX = (*pattern++ == 'X')? numX + 1 : 0;
1349 if (numX < 5)
1350 return NULL;
1351 pattern--;
1352 id = GetCurrentProcessId();
1353 numX = 6;
1354 while(numX--)
1355 {
1356 int tempNum = id / 10;
1357 *pattern-- = id - (tempNum * 10) + '0';
1358 id = tempNum;
1359 }
1360 pattern++;
1361 do
1362 {
1363 *pattern = letter++;
1364 if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES &&
1365 GetLastError() == ERROR_FILE_NOT_FOUND)
1366 return retVal;
1367 } while(letter <= 'z');
1368 return NULL;
1369 }
1370
1371 /*********************************************************************
1372 * _wmktemp (MSVCRT.@)
1373 */
1374 MSVCRT_wchar_t * CDECL _wmktemp(MSVCRT_wchar_t *pattern)
1375 {
1376 int numX = 0;
1377 MSVCRT_wchar_t *retVal = pattern;
1378 int id;
1379 MSVCRT_wchar_t letter = 'a';
1380
1381 while(*pattern)
1382 numX = (*pattern++ == 'X')? numX + 1 : 0;
1383 if (numX < 5)
1384 return NULL;
1385 pattern--;
1386 id = GetCurrentProcessId();
1387 numX = 6;
1388 while(numX--)
1389 {
1390 int tempNum = id / 10;
1391 *pattern-- = id - (tempNum * 10) + '0';
1392 id = tempNum;
1393 }
1394 pattern++;
1395 do
1396 {
1397 if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES &&
1398 GetLastError() == ERROR_FILE_NOT_FOUND)
1399 return retVal;
1400 *pattern = letter++;
1401 } while(letter != '|');
1402 return NULL;
1403 }
1404
1405 static unsigned split_oflags(unsigned oflags)
1406 {
1407 int wxflags = 0;
1408 unsigned unsupp; /* until we support everything */
1409
1410 if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND;
1411 if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */}
1412 else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT;
1413 else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */}
1414 else wxflags |= WX_TEXT; /* default to TEXT*/
1415 if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT;
1416
1417 if ((unsupp = oflags & ~(
1418 MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND|
1419 MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT|
1420 MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY|
1421 MSVCRT__O_NOINHERIT|
1422 MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED
1423 )))
1424 ERR(":unsupported oflags 0x%04x\n",unsupp);
1425
1426 return wxflags;
1427 }
1428
1429 /*********************************************************************
1430 * _pipe (MSVCRT.@)
1431 */
1432 int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode)
1433 {
1434 int ret = -1;
1435 SECURITY_ATTRIBUTES sa;
1436 HANDLE readHandle, writeHandle;
1437
1438 if (!pfds)
1439 {
1440 *MSVCRT__errno() = MSVCRT_EINVAL;
1441 return -1;
1442 }
1443
1444 sa.nLength = sizeof(SECURITY_ATTRIBUTES);
1445 sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT);
1446 sa.lpSecurityDescriptor = NULL;
1447 if (CreatePipe(&readHandle, &writeHandle, &sa, psize))
1448 {
1449 unsigned int wxflags = split_oflags(textmode);
1450 int fd;
1451
1452 LOCK_FILES();
1453 fd = msvcrt_alloc_fd(readHandle, wxflags);
1454 if (fd != -1)
1455 {
1456 pfds[0] = fd;
1457 fd = msvcrt_alloc_fd(writeHandle, wxflags);
1458 if (fd != -1)
1459 {
1460 pfds[1] = fd;
1461 ret = 0;
1462 }
1463 else
1464 {
1465 MSVCRT__close(pfds[0]);
1466 CloseHandle(writeHandle);
1467 *MSVCRT__errno() = MSVCRT_EMFILE;
1468 }
1469 }
1470 else
1471 {
1472 CloseHandle(readHandle);
1473 CloseHandle(writeHandle);
1474 *MSVCRT__errno() = MSVCRT_EMFILE;
1475 }
1476 UNLOCK_FILES();
1477 }
1478 else
1479 msvcrt_set_errno(GetLastError());
1480
1481 return ret;
1482 }
1483
1484 /*********************************************************************
1485 * _sopen (MSVCRT.@)
1486 */
1487 int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... )
1488 {
1489 __ms_va_list ap;
1490 int pmode;
1491 DWORD access = 0, creation = 0, attrib;
1492 DWORD sharing;
1493 int wxflag = 0, fd;
1494 HANDLE hand;
1495 SECURITY_ATTRIBUTES sa;
1496
1497
1498 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1499 path, oflags, shflags);
1500
1501 wxflag = split_oflags(oflags);
1502 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1503 {
1504 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1505 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1506 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1507 }
1508
1509 if (oflags & MSVCRT__O_CREAT)
1510 {
1511 __ms_va_start(ap, shflags);
1512 pmode = va_arg(ap, int);
1513 __ms_va_end(ap);
1514
1515 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1516 FIXME(": pmode 0x%04x ignored\n", pmode);
1517 else
1518 WARN(": pmode 0x%04x ignored\n", pmode);
1519
1520 if (oflags & MSVCRT__O_EXCL)
1521 creation = CREATE_NEW;
1522 else if (oflags & MSVCRT__O_TRUNC)
1523 creation = CREATE_ALWAYS;
1524 else
1525 creation = OPEN_ALWAYS;
1526 }
1527 else /* no MSVCRT__O_CREAT */
1528 {
1529 if (oflags & MSVCRT__O_TRUNC)
1530 creation = TRUNCATE_EXISTING;
1531 else
1532 creation = OPEN_EXISTING;
1533 }
1534
1535 switch( shflags )
1536 {
1537 case MSVCRT__SH_DENYRW:
1538 sharing = 0L;
1539 break;
1540 case MSVCRT__SH_DENYWR:
1541 sharing = FILE_SHARE_READ;
1542 break;
1543 case MSVCRT__SH_DENYRD:
1544 sharing = FILE_SHARE_WRITE;
1545 break;
1546 case MSVCRT__SH_DENYNO:
1547 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1548 break;
1549 default:
1550 ERR( "Unhandled shflags 0x%x\n", shflags );
1551 return -1;
1552 }
1553 attrib = FILE_ATTRIBUTE_NORMAL;
1554
1555 if (oflags & MSVCRT__O_TEMPORARY)
1556 {
1557 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1558 access |= DELETE;
1559 sharing |= FILE_SHARE_DELETE;
1560 }
1561
1562 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1563 sa.lpSecurityDescriptor = NULL;
1564 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1565
1566 hand = CreateFileA(path, access, sharing, &sa, creation, attrib, 0);
1567
1568 if (hand == INVALID_HANDLE_VALUE) {
1569 WARN(":failed-last error (%d)\n",GetLastError());
1570 msvcrt_set_errno(GetLastError());
1571 return -1;
1572 }
1573
1574 fd = msvcrt_alloc_fd(hand, wxflag);
1575
1576 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1577 return fd;
1578 }
1579
1580 /*********************************************************************
1581 * _wsopen (MSVCRT.@)
1582 */
1583 int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t* path, int oflags, int shflags, ... )
1584 {
1585 __ms_va_list ap;
1586 int pmode;
1587 DWORD access = 0, creation = 0, attrib;
1588 DWORD sharing;
1589 int wxflag = 0, fd;
1590 HANDLE hand;
1591 SECURITY_ATTRIBUTES sa;
1592
1593
1594 TRACE(":file (%s) oflags: 0x%04x shflags: 0x%04x\n",
1595 debugstr_w(path), oflags, shflags);
1596
1597 wxflag = split_oflags(oflags);
1598 switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR))
1599 {
1600 case MSVCRT__O_RDONLY: access |= GENERIC_READ; break;
1601 case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break;
1602 case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break;
1603 }
1604
1605 if (oflags & MSVCRT__O_CREAT)
1606 {
1607 __ms_va_start(ap, shflags);
1608 pmode = va_arg(ap, int);
1609 __ms_va_end(ap);
1610
1611 if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE))
1612 FIXME(": pmode 0x%04x ignored\n", pmode);
1613 else
1614 WARN(": pmode 0x%04x ignored\n", pmode);
1615
1616 if (oflags & MSVCRT__O_EXCL)
1617 creation = CREATE_NEW;
1618 else if (oflags & MSVCRT__O_TRUNC)
1619 creation = CREATE_ALWAYS;
1620 else
1621 creation = OPEN_ALWAYS;
1622 }
1623 else /* no MSVCRT__O_CREAT */
1624 {
1625 if (oflags & MSVCRT__O_TRUNC)
1626 creation = TRUNCATE_EXISTING;
1627 else
1628 creation = OPEN_EXISTING;
1629 }
1630
1631 switch( shflags )
1632 {
1633 case MSVCRT__SH_DENYRW:
1634 sharing = 0L;
1635 break;
1636 case MSVCRT__SH_DENYWR:
1637 sharing = FILE_SHARE_READ;
1638 break;
1639 case MSVCRT__SH_DENYRD:
1640 sharing = FILE_SHARE_WRITE;
1641 break;
1642 case MSVCRT__SH_DENYNO:
1643 sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
1644 break;
1645 default:
1646 ERR( "Unhandled shflags 0x%x\n", shflags );
1647 return -1;
1648 }
1649 attrib = FILE_ATTRIBUTE_NORMAL;
1650
1651 if (oflags & MSVCRT__O_TEMPORARY)
1652 {
1653 attrib |= FILE_FLAG_DELETE_ON_CLOSE;
1654 access |= DELETE;
1655 sharing |= FILE_SHARE_DELETE;
1656 }
1657
1658 sa.nLength = sizeof( SECURITY_ATTRIBUTES );
1659 sa.lpSecurityDescriptor = NULL;
1660 sa.bInheritHandle = (oflags & MSVCRT__O_NOINHERIT) ? FALSE : TRUE;
1661
1662 hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0);
1663
1664 if (hand == INVALID_HANDLE_VALUE) {
1665 WARN(":failed-last error (%d)\n",GetLastError());
1666 msvcrt_set_errno(GetLastError());
1667 return -1;
1668 }
1669
1670 fd = msvcrt_alloc_fd(hand, wxflag);
1671
1672 TRACE(":fd (%d) handle (%p)\n",fd, hand);
1673 return fd;
1674 }
1675
1676 /*********************************************************************
1677 * _open (MSVCRT.@)
1678 */
1679 int CDECL MSVCRT__open( const char *path, int flags, ... )
1680 {
1681 __ms_va_list ap;
1682
1683 if (flags & MSVCRT__O_CREAT)
1684 {
1685 int pmode;
1686 __ms_va_start(ap, flags);
1687 pmode = va_arg(ap, int);
1688 __ms_va_end(ap);
1689 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1690 }
1691 else
1692 return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO);
1693 }
1694
1695 /*********************************************************************
1696 * _wopen (MSVCRT.@)
1697 */
1698 int CDECL _wopen(const MSVCRT_wchar_t *path,int flags,...)
1699 {
1700 __ms_va_list ap;
1701
1702 if (flags & MSVCRT__O_CREAT)
1703 {
1704 int pmode;
1705 __ms_va_start(ap, flags);
1706 pmode = va_arg(ap, int);
1707 __ms_va_end(ap);
1708 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode );
1709 }
1710 else
1711 return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO);
1712 }
1713
1714 /*********************************************************************
1715 * _creat (MSVCRT.@)
1716 */
1717 int CDECL MSVCRT__creat(const char *path, int flags)
1718 {
1719 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1720 return MSVCRT__open(path, usedFlags);
1721 }
1722
1723 /*********************************************************************
1724 * _wcreat (MSVCRT.@)
1725 */
1726 int CDECL _wcreat(const MSVCRT_wchar_t *path, int flags)
1727 {
1728 int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC;
1729 return _wopen(path, usedFlags);
1730 }
1731
1732 /*********************************************************************
1733 * _open_osfhandle (MSVCRT.@)
1734 */
1735 int CDECL _open_osfhandle(MSVCRT_intptr_t handle, int oflags)
1736 {
1737 int fd;
1738
1739 /* MSVCRT__O_RDONLY (0) always matches, so set the read flag
1740 * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the
1741 * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants
1742 * text - it never sets MSVCRT__O_BINARY.
1743 */
1744 /* don't let split_oflags() decide the mode if no mode is passed */
1745 if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT)))
1746 oflags |= MSVCRT__O_BINARY;
1747
1748 fd = msvcrt_alloc_fd((HANDLE)handle, split_oflags(oflags));
1749 TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, oflags);
1750 return fd;
1751 }
1752
1753 /*********************************************************************
1754 * _rmtmp (MSVCRT.@)
1755 */
1756 int CDECL _rmtmp(void)
1757 {
1758 int num_removed = 0, i;
1759
1760 LOCK_FILES();
1761 for (i = 3; i < MSVCRT_stream_idx; i++)
1762 if (MSVCRT_fstreams[i] && MSVCRT_fstreams[i]->_tmpfname)
1763 {
1764 MSVCRT_fclose(MSVCRT_fstreams[i]);
1765 num_removed++;
1766 }
1767 UNLOCK_FILES();
1768
1769 if (num_removed)
1770 TRACE(":removed (%d) temp files\n",num_removed);
1771 return num_removed;
1772 }
1773
1774 /*********************************************************************
1775 * (internal) read_i
1776 *
1777 * When reading \r as last character in text mode, read() positions
1778 * the file pointer on the \r character while getc() goes on to
1779 * the following \n
1780 */
1781 static int read_i(int fd, void *buf, unsigned int count)
1782 {
1783 DWORD num_read;
1784 char *bufstart = buf;
1785 HANDLE hand = msvcrt_fdtoh(fd);
1786
1787 if (count == 0)
1788 return 0;
1789
1790 if (MSVCRT_fdesc[fd].wxflag & WX_READEOF) {
1791 MSVCRT_fdesc[fd].wxflag |= WX_ATEOF;
1792 TRACE("already at EOF, returning 0\n");
1793 return 0;
1794 }
1795 /* Don't trace small reads, it gets *very* annoying */
1796 if (count > 4)
1797 TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count);
1798 if (hand == INVALID_HANDLE_VALUE)
1799 return -1;
1800
1801 /* Reading single bytes in O_TEXT mode makes things slow
1802 * So read big chunks
1803 */
1804 if (ReadFile(hand, bufstart, count, &num_read, NULL))
1805 {
1806 if (count != 0 && num_read == 0)
1807 {
1808 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1809 TRACE(":EOF %s\n",debugstr_an(buf,num_read));
1810 }
1811 else if (MSVCRT_fdesc[fd].wxflag & WX_TEXT)
1812 {
1813 DWORD i, j;
1814 if (bufstart[num_read-1] == '\r')
1815 {
1816 if(count == 1)
1817 {
1818 MSVCRT_fdesc[fd].wxflag &= ~WX_READCR;
1819 ReadFile(hand, bufstart, 1, &num_read, NULL);
1820 }
1821 else
1822 {
1823 MSVCRT_fdesc[fd].wxflag |= WX_READCR;
1824 num_read--;
1825 }
1826 }
1827 else
1828 MSVCRT_fdesc[fd].wxflag &= ~WX_READCR;
1829 for (i=0, j=0; i<num_read; i++)
1830 {
1831 /* in text mode, a ctrl-z signals EOF */
1832 if (bufstart[i] == 0x1a)
1833 {
1834 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1835 TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read));
1836 break;
1837 }
1838 /* in text mode, strip \r if followed by \n.
1839 * BUG: should save state across calls somehow, so CR LF that
1840 * straddles buffer boundary gets recognized properly?
1841 */
1842 if ((bufstart[i] != '\r')
1843 || ((i+1) < num_read && bufstart[i+1] != '\n'))
1844 bufstart[j++] = bufstart[i];
1845 }
1846 num_read = j;
1847 }
1848 }
1849 else
1850 {
1851 if (GetLastError() == ERROR_BROKEN_PIPE)
1852 {
1853 TRACE(":end-of-pipe\n");
1854 MSVCRT_fdesc[fd].wxflag |= (WX_ATEOF|WX_READEOF);
1855 return 0;
1856 }
1857 else
1858 {
1859 TRACE(":failed-last error (%d)\n",GetLastError());
1860 return -1;
1861 }
1862 }
1863
1864 if (count > 4)
1865 TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read));
1866 return num_read;
1867 }
1868
1869 /*********************************************************************
1870 * _read (MSVCRT.@)
1871 */
1872 int CDECL MSVCRT__read(int fd, void *buf, unsigned int count)
1873 {
1874 int num_read;
1875 num_read = read_i(fd, buf, count);
1876 return num_read;
1877 }
1878
1879 /*********************************************************************
1880 * _setmode (MSVCRT.@)
1881 */
1882 int CDECL _setmode(int fd,int mode)
1883 {
1884 int ret = MSVCRT_fdesc[fd].wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY;
1885 if (mode & (~(MSVCRT__O_TEXT|MSVCRT__O_BINARY)))
1886 FIXME("fd (%d) mode (0x%08x) unknown\n",fd,mode);
1887 if ((mode & MSVCRT__O_TEXT) == MSVCRT__O_TEXT)
1888 MSVCRT_fdesc[fd].wxflag |= WX_TEXT;
1889 else
1890 MSVCRT_fdesc[fd].wxflag &= ~WX_TEXT;
1891 return ret;
1892 }
1893
1894 /*********************************************************************
1895 * _stat64 (MSVCRT.@)
1896 */
1897 int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
1898 {
1899 DWORD dw;
1900 WIN32_FILE_ATTRIBUTE_DATA hfi;
1901 unsigned short mode = ALL_S_IREAD;
1902 int plen;
1903
1904 TRACE(":file (%s) buf(%p)\n",path,buf);
1905
1906 if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi))
1907 {
1908 TRACE("failed (%d)\n",GetLastError());
1909 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
1910 return -1;
1911 }
1912
1913 memset(buf,0,sizeof(struct MSVCRT__stat64));
1914
1915 /* FIXME: rdev isn't drive num, despite what the docs say-what is it?
1916 Bon 011120: This FIXME seems incorrect
1917 Also a letter as first char isn't enough to be classified
1918 as a drive letter
1919 */
1920 if (isalpha(*path)&& (*(path+1)==':'))
1921 buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
1922 else
1923 buf->st_dev = buf->st_rdev = _getdrive() - 1;
1924
1925 plen = strlen(path);
1926
1927 /* Dir, or regular file? */
1928 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
1929 (path[plen-1] == '\\'))
1930 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
1931 else
1932 {
1933 mode |= MSVCRT__S_IFREG;
1934 /* executable? */
1935 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
1936 {
1937 unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) |
1938 (tolower(path[plen-3]) << 16);
1939 if (ext == EXE || ext == BAT || ext == CMD || ext == COM)
1940 mode |= ALL_S_IEXEC;
1941 }
1942 }
1943
1944 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
1945 mode |= ALL_S_IWRITE;
1946
1947 buf->st_mode = mode;
1948 buf->st_nlink = 1;
1949 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
1950 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
1951 buf->st_atime = dw;
1952 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
1953 buf->st_mtime = buf->st_ctime = dw;
1954 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
1955 (int)(buf->st_size >> 32),(int)buf->st_size,
1956 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
1957 return 0;
1958 }
1959
1960 /*********************************************************************
1961 * _stati64 (MSVCRT.@)
1962 */
1963 int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf)
1964 {
1965 int ret;
1966 struct MSVCRT__stat64 buf64;
1967
1968 ret = MSVCRT_stat64(path, &buf64);
1969 if (!ret)
1970 msvcrt_stat64_to_stati64(&buf64, buf);
1971 return ret;
1972 }
1973
1974 /*********************************************************************
1975 * _stat (MSVCRT.@)
1976 */
1977 int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf)
1978 { int ret;
1979 struct MSVCRT__stat64 buf64;
1980
1981 ret = MSVCRT_stat64( path, &buf64);
1982 if (!ret)
1983 msvcrt_stat64_to_stat(&buf64, buf);
1984 return ret;
1985 }
1986
1987 /*********************************************************************
1988 * _wstat64 (MSVCRT.@)
1989 */
1990 int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf)
1991 {
1992 DWORD dw;
1993 WIN32_FILE_ATTRIBUTE_DATA hfi;
1994 unsigned short mode = ALL_S_IREAD;
1995 int plen;
1996
1997 TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf);
1998
1999 if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi))
2000 {
2001 TRACE("failed (%d)\n",GetLastError());
2002 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
2003 return -1;
2004 }
2005
2006 memset(buf,0,sizeof(struct MSVCRT__stat64));
2007
2008 /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
2009 if (MSVCRT_iswalpha(*path))
2010 buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
2011 else
2012 buf->st_dev = buf->st_rdev = _getdrive() - 1;
2013
2014 plen = strlenW(path);
2015
2016 /* Dir, or regular file? */
2017 if ((hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
2018 (path[plen-1] == '\\'))
2019 mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC);
2020 else
2021 {
2022 mode |= MSVCRT__S_IFREG;
2023 /* executable? */
2024 if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */
2025 {
2026 ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) |
2027 ((ULONGLONG)tolowerW(path[plen-3]) << 32);
2028 if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM)
2029 mode |= ALL_S_IEXEC;
2030 }
2031 }
2032
2033 if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
2034 mode |= ALL_S_IWRITE;
2035
2036 buf->st_mode = mode;
2037 buf->st_nlink = 1;
2038 buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow;
2039 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw);
2040 buf->st_atime = dw;
2041 RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw);
2042 buf->st_mtime = buf->st_ctime = dw;
2043 TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink,
2044 (int)(buf->st_size >> 32),(int)buf->st_size,
2045 (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime);
2046 return 0;
2047 }
2048
2049 /*********************************************************************
2050 * _wstati64 (MSVCRT.@)
2051 */
2052 int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf)
2053 {
2054 int ret;
2055 struct MSVCRT__stat64 buf64;
2056
2057 ret = MSVCRT__wstat64(path, &buf64);
2058 if (!ret)
2059 msvcrt_stat64_to_stati64(&buf64, buf);
2060 return ret;
2061 }
2062
2063 /*********************************************************************
2064 * _wstat (MSVCRT.@)
2065 */
2066 int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf)
2067 {
2068 int ret;
2069 struct MSVCRT__stat64 buf64;
2070
2071 ret = MSVCRT__wstat64( path, &buf64 );
2072 if (!ret) msvcrt_stat64_to_stat(&buf64, buf);
2073 return ret;
2074 }
2075
2076 /*********************************************************************
2077 * _tell (MSVCRT.@)
2078 */
2079 MSVCRT_long CDECL MSVCRT__tell(int fd)
2080 {
2081 return MSVCRT__lseek(fd, 0, SEEK_CUR);
2082 }
2083
2084 /*********************************************************************
2085 * _telli64 (MSVCRT.@)
2086 */
2087 __int64 CDECL _telli64(int fd)
2088 {
2089 return MSVCRT__lseeki64(fd, 0, SEEK_CUR);
2090 }
2091
2092 /*********************************************************************
2093 * _tempnam (MSVCRT.@)
2094 */
2095 char * CDECL _tempnam(const char *dir, const char *prefix)
2096 {
2097 char tmpbuf[MAX_PATH];
2098 const char *tmp_dir = MSVCRT_getenv("TMP");
2099
2100 if (tmp_dir) dir = tmp_dir;
2101
2102 TRACE("dir (%s) prefix (%s)\n",dir,prefix);
2103 if (GetTempFileNameA(dir,prefix,0,tmpbuf))
2104 {
2105 TRACE("got name (%s)\n",tmpbuf);
2106 DeleteFileA(tmpbuf);
2107 return _strdup(tmpbuf);
2108 }
2109 TRACE("failed (%d)\n",GetLastError());
2110 return NULL;
2111 }
2112
2113 /*********************************************************************
2114 * _wtempnam (MSVCRT.@)
2115 */
2116 MSVCRT_wchar_t * CDECL _wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix)
2117 {
2118 MSVCRT_wchar_t tmpbuf[MAX_PATH];
2119
2120 TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix));
2121 if (GetTempFileNameW(dir,prefix,0,tmpbuf))
2122 {
2123 TRACE("got name (%s)\n",debugstr_w(tmpbuf));
2124 DeleteFileW(tmpbuf);
2125 return _wcsdup(tmpbuf);
2126 }
2127 TRACE("failed (%d)\n",GetLastError());
2128 return NULL;
2129 }
2130
2131 /*********************************************************************
2132 * _umask (MSVCRT.@)
2133 */
2134 int CDECL MSVCRT__umask(int umask)
2135 {
2136 int old_umask = MSVCRT_umask;
2137 TRACE("(%d)\n",umask);
2138 MSVCRT_umask = umask;
2139 return old_umask;
2140 }
2141
2142 /*********************************************************************
2143 * _utime64 (MSVCRT.@)
2144 */
2145 int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t)
2146 {
2147 int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2148
2149 if (fd > 0)
2150 {
2151 int retVal = _futime64(fd, t);
2152 MSVCRT__close(fd);
2153 return retVal;
2154 }
2155 return -1;
2156 }
2157
2158 /*********************************************************************
2159 * _utime32 (MSVCRT.@)
2160 */
2161 int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t)
2162 {
2163 struct MSVCRT___utimbuf64 t64;
2164 t64.actime = t->actime;
2165 t64.modtime = t->modtime;
2166 return _utime64( path, &t64 );
2167 }
2168
2169 /*********************************************************************
2170 * _utime (MSVCRT.@)
2171 */
2172 #ifdef _WIN64
2173 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t)
2174 {
2175 return _utime64( path, t );
2176 }
2177 #else
2178 int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t)
2179 {
2180 return _utime32( path, t );
2181 }
2182 #endif
2183
2184 /*********************************************************************
2185 * _wutime64 (MSVCRT.@)
2186 */
2187 int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2188 {
2189 int fd = _wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY);
2190
2191 if (fd > 0)
2192 {
2193 int retVal = _futime64(fd, t);
2194 MSVCRT__close(fd);
2195 return retVal;
2196 }
2197 return -1;
2198 }
2199
2200 /*********************************************************************
2201 * _wutime32 (MSVCRT.@)
2202 */
2203 int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2204 {
2205 struct MSVCRT___utimbuf64 t64;
2206 t64.actime = t->actime;
2207 t64.modtime = t->modtime;
2208 return _wutime64( path, &t64 );
2209 }
2210
2211 /*********************************************************************
2212 * _wutime (MSVCRT.@)
2213 */
2214 #ifdef _WIN64
2215 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t)
2216 {
2217 return _wutime64( path, t );
2218 }
2219 #else
2220 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t)
2221 {
2222 return _wutime32( path, t );
2223 }
2224 #endif
2225
2226 /*********************************************************************
2227 * _write (MSVCRT.@)
2228 */
2229 int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count)
2230 {
2231 DWORD num_written;
2232 HANDLE hand = msvcrt_fdtoh(fd);
2233
2234 /* Don't trace small writes, it gets *very* annoying */
2235 #if 0
2236 if (count > 32)
2237 TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count);
2238 #endif
2239 if (hand == INVALID_HANDLE_VALUE)
2240 {
2241 *MSVCRT__errno() = MSVCRT_EBADF;
2242 return -1;
2243 }
2244
2245 /* If appending, go to EOF */
2246 if (MSVCRT_fdesc[fd].wxflag & WX_APPEND)
2247 MSVCRT__lseek(fd, 0, FILE_END);
2248
2249 if (!(MSVCRT_fdesc[fd].wxflag & WX_TEXT))
2250 {
2251 if (WriteFile(hand, buf, count, &num_written, NULL)
2252 && (num_written == count))
2253 return num_written;
2254 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd,
2255 hand, GetLastError());
2256 *MSVCRT__errno() = MSVCRT_ENOSPC;
2257 }
2258 else
2259 {
2260 unsigned int i, j, nr_lf;
2261 char *p = NULL;
2262 const char *q;
2263 const char *s = buf, *buf_start = buf;
2264 /* find number of \n ( without preceding \r ) */
2265 for ( nr_lf=0,i = 0; i <count; i++)
2266 {
2267 if (s[i]== '\n')
2268 {
2269 nr_lf++;
2270 /*if ((i >1) && (s[i-1] == '\r')) nr_lf--; */
2271 }
2272 }
2273 if (nr_lf)
2274 {
2275 if ((q = p = MSVCRT_malloc(count + nr_lf)))
2276 {
2277 for (s = buf, i = 0, j = 0; i < count; i++)
2278 {
2279 if (s[i]== '\n')
2280 {
2281 p[j++] = '\r';
2282 /*if ((i >1) && (s[i-1] == '\r'))j--;*/
2283 }
2284 p[j++] = s[i];
2285 }
2286 }
2287 else
2288 {
2289 FIXME("Malloc failed\n");
2290 nr_lf =0;
2291 q = buf;
2292 }
2293 }
2294 else
2295 q = buf;
2296
2297 if ((WriteFile(hand, q, count+nr_lf, &num_written, NULL) == 0 ) || (num_written != count+nr_lf))
2298 {
2299 TRACE("WriteFile (fd %d, hand %p) failed-last error (%d), num_written %d\n",
2300 fd, hand, GetLastError(), num_written);
2301 *MSVCRT__errno() = MSVCRT_ENOSPC;
2302 if(nr_lf)
2303 MSVCRT_free(p);
2304 return s - buf_start;
2305 }
2306 else
2307 {
2308 if(nr_lf)
2309 MSVCRT_free(p);
2310 return count;
2311 }
2312 }
2313 return -1;
2314 }
2315
2316 /*********************************************************************
2317 * _putw (MSVCRT.@)
2318 */
2319 int CDECL MSVCRT__putw(int val, MSVCRT_FILE* file)
2320 {
2321 int len;
2322 len = MSVCRT__write(file->_file, &val, sizeof(val));
2323 if (len == sizeof(val)) return val;
2324 file->_flag |= MSVCRT__IOERR;
2325 return MSVCRT_EOF;
2326 }
2327
2328 /*********************************************************************
2329 * fclose (MSVCRT.@)
2330 */
2331 int CDECL MSVCRT_fclose(MSVCRT_FILE* file)
2332 {
2333 int r, flag;
2334
2335 flag = file->_flag;
2336 MSVCRT_free(file->_tmpfname);
2337 file->_tmpfname = NULL;
2338 /* flush stdio buffers */
2339 if(file->_flag & MSVCRT__IOWRT)
2340 MSVCRT_fflush(file);
2341 if(file->_flag & MSVCRT__IOMYBUF)
2342 MSVCRT_free(file->_base);
2343
2344 r=MSVCRT__close(file->_file);
2345
2346 file->_flag = 0;
2347
2348 return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0);
2349 }
2350
2351 /*********************************************************************
2352 * feof (MSVCRT.@)
2353 */
2354 int CDECL MSVCRT_feof(MSVCRT_FILE* file)
2355 {
2356 return file->_flag & MSVCRT__IOEOF;
2357 }
2358
2359 /*********************************************************************
2360 * ferror (MSVCRT.@)
2361 */
2362 int CDECL MSVCRT_ferror(MSVCRT_FILE* file)
2363 {
2364 return file->_flag & MSVCRT__IOERR;
2365 }
2366
2367 /*********************************************************************
2368 * _filbuf (MSVCRT.@)
2369 */
2370 int CDECL MSVCRT__filbuf(MSVCRT_FILE* file)
2371 {
2372 /* Allocate buffer if needed */
2373 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF) ) {
2374 msvcrt_alloc_buffer(file);
2375 }
2376 if(!(file->_flag & MSVCRT__IOREAD)) {
2377 if(file->_flag & MSVCRT__IORW) {
2378 file->_flag |= MSVCRT__IOREAD;
2379 } else {
2380 return MSVCRT_EOF;
2381 }
2382 }
2383 if(file->_flag & MSVCRT__IONBF) {
2384 unsigned char c;
2385 int r;
2386 if ((r = read_i(file->_file,&c,1)) != 1) {
2387 file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2388 return MSVCRT_EOF;
2389 }
2390 return c;
2391 } else {
2392 file->_cnt = read_i(file->_file, file->_base, file->_bufsiz);
2393 if(file->_cnt<=0) {
2394 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2395 file->_cnt = 0;
2396 return MSVCRT_EOF;
2397 }
2398 file->_cnt--;
2399 file->_ptr = file->_base+1;
2400 return *(unsigned char *)file->_base;
2401 }
2402 }
2403
2404 /*********************************************************************
2405 * fgetc (MSVCRT.@)
2406 */
2407 int CDECL MSVCRT_fgetc(MSVCRT_FILE* file)
2408 {
2409 unsigned char *i;
2410 unsigned int j;
2411 if (file->_cnt>0) {
2412 file->_cnt--;
2413 i = (unsigned char *)file->_ptr++;
2414 j = *i;
2415 } else
2416 j = MSVCRT__filbuf(file);
2417 return j;
2418 }
2419
2420 /*********************************************************************
2421 * _fgetchar (MSVCRT.@)
2422 */
2423 int CDECL _fgetchar(void)
2424 {
2425 return MSVCRT_fgetc(MSVCRT_stdin);
2426 }
2427
2428 /*********************************************************************
2429 * fgets (MSVCRT.@)
2430 */
2431 char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file)
2432 {
2433 int cc = MSVCRT_EOF;
2434 char * buf_start = s;
2435
2436 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2437 file,file->_file,s,size);
2438
2439 while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n')
2440 {
2441 *s++ = (char)cc;
2442 size --;
2443 }
2444 if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/
2445 {
2446 TRACE(":nothing read\n");
2447 return NULL;
2448 }
2449 if ((cc != MSVCRT_EOF) && (size > 1))
2450 *s++ = cc;
2451 *s = '\0';
2452 TRACE(":got %s\n", debugstr_a(buf_start));
2453 return buf_start;
2454 }
2455
2456 /*********************************************************************
2457 * fgetwc (MSVCRT.@)
2458 *
2459 * In MSVCRT__O_TEXT mode, multibyte characters are read from the file, dropping
2460 * the CR from CR/LF combinations
2461 */
2462 MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
2463 {
2464 char c;
2465
2466 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
2467 {
2468 MSVCRT_wchar_t wc;
2469 unsigned int i;
2470 int j;
2471 char *chp, *wcp;
2472 wcp = (char *)&wc;
2473 for(i=0; i<sizeof(wc); i++)
2474 {
2475 if (file->_cnt>0)
2476 {
2477 file->_cnt--;
2478 chp = file->_ptr++;
2479 wcp[i] = *chp;
2480 }
2481 else
2482 {
2483 j = MSVCRT__filbuf(file);
2484 if(file->_cnt<=0)
2485 {
2486 file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR;
2487 file->_cnt = 0;
2488 return MSVCRT_WEOF;
2489 }
2490 wcp[i] = j;
2491 }
2492 }
2493 return wc;
2494 }
2495
2496 c = MSVCRT_fgetc(file);
2497 if ((get_locale()->locinfo->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
2498 {
2499 FIXME("Treat Multibyte characters\n");
2500 }
2501 if (c == MSVCRT_EOF)
2502 return MSVCRT_WEOF;
2503 else
2504 return (MSVCRT_wint_t)c;
2505 }
2506
2507 /*********************************************************************
2508 * _getw (MSVCRT.@)
2509 */
2510 int CDECL MSVCRT__getw(MSVCRT_FILE* file)
2511 {
2512 char *ch;
2513 int i, k;
2514 unsigned int j;
2515 ch = (char *)&i;
2516 for (j=0; j<sizeof(int); j++) {
2517 k = MSVCRT_fgetc(file);
2518 if (k == MSVCRT_EOF) {
2519 file->_flag |= MSVCRT__IOEOF;
2520 return EOF;
2521 }
2522 ch[j] = k;
2523 }
2524 return i;
2525 }
2526
2527 /*********************************************************************
2528 * getwc (MSVCRT.@)
2529 */
2530 MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file)
2531 {
2532 return MSVCRT_fgetwc(file);
2533 }
2534
2535 /*********************************************************************
2536 * _fgetwchar (MSVCRT.@)
2537 */
2538 MSVCRT_wint_t CDECL _fgetwchar(void)
2539 {
2540 return MSVCRT_fgetwc(MSVCRT_stdin);
2541 }
2542
2543 /*********************************************************************
2544 * getwchar (MSVCRT.@)
2545 */
2546 MSVCRT_wint_t CDECL MSVCRT_getwchar(void)
2547 {
2548 return _fgetwchar();
2549 }
2550
2551 /*********************************************************************
2552 * fgetws (MSVCRT.@)
2553 */
2554 MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file)
2555 {
2556 int cc = MSVCRT_WEOF;
2557 MSVCRT_wchar_t * buf_start = s;
2558
2559 TRACE(":file(%p) fd (%d) str (%p) len (%d)\n",
2560 file,file->_file,s,size);
2561
2562 while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n')
2563 {
2564 *s++ = (char)cc;
2565 size --;
2566 }
2567 if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/
2568 {
2569 TRACE(":nothing read\n");
2570 return NULL;
2571 }
2572 if ((cc != MSVCRT_WEOF) && (size > 1))
2573 *s++ = cc;
2574 *s = 0;
2575 TRACE(":got %s\n", debugstr_w(buf_start));
2576 return buf_start;
2577 }
2578
2579 /*********************************************************************
2580 * fwrite (MSVCRT.@)
2581 */
2582 MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2583 {
2584 MSVCRT_size_t wrcnt=size * nmemb;
2585 int written = 0;
2586 if (size == 0)
2587 return 0;
2588 if(file->_cnt) {
2589 int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt;
2590 memcpy(file->_ptr, ptr, pcnt);
2591 file->_cnt -= pcnt;
2592 file->_ptr += pcnt;
2593 written = pcnt;
2594 wrcnt -= pcnt;
2595 ptr = (const char*)ptr + pcnt;
2596 } else if(!(file->_flag & MSVCRT__IOWRT)) {
2597 if(file->_flag & MSVCRT__IORW) {
2598 file->_flag |= MSVCRT__IOWRT;
2599 } else
2600 return 0;
2601 }
2602 if(wrcnt) {
2603 /* Flush buffer */
2604 int res=msvcrt_flush_buffer(file);
2605 if(!res) {
2606 int pwritten = MSVCRT__write(file->_file, ptr, wrcnt);
2607 if (pwritten <= 0)
2608 {
2609 file->_flag |= MSVCRT__IOERR;
2610 pwritten=0;
2611 }
2612 written += pwritten;
2613 }
2614 }
2615 return written / size;
2616 }
2617
2618 /*********************************************************************
2619 * fputwc (MSVCRT.@)
2620 */
2621 MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file)
2622 {
2623 MSVCRT_wchar_t mwc=wc;
2624 if (MSVCRT_fwrite( &mwc, sizeof(mwc), 1, file) != 1)
2625 return MSVCRT_WEOF;
2626 return wc;
2627 }
2628
2629 /*********************************************************************
2630 * _fputwchar (MSVCRT.@)
2631 */
2632 MSVCRT_wint_t CDECL _fputwchar(MSVCRT_wint_t wc)
2633 {
2634 return MSVCRT_fputwc(wc, MSVCRT_stdout);
2635 }
2636
2637 /*********************************************************************
2638 * _wfsopen (MSVCRT.@)
2639 */
2640 MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share)
2641 {
2642 MSVCRT_FILE* file;
2643 int open_flags, stream_flags, fd;
2644
2645 TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode));
2646
2647 /* map mode string to open() flags. "man fopen" for possibilities. */
2648 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2649 return NULL;
2650
2651 LOCK_FILES();
2652 fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2653 if (fd < 0)
2654 file = NULL;
2655 else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags)
2656 != -1)
2657 TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file);
2658 else if (file)
2659 {
2660 file->_flag = 0;
2661 file = NULL;
2662 }
2663
2664 TRACE(":got (%p)\n",file);
2665 if (fd >= 0 && !file)
2666 MSVCRT__close(fd);
2667 UNLOCK_FILES();
2668 return file;
2669 }
2670
2671 /*********************************************************************
2672 * _fsopen (MSVCRT.@)
2673 */
2674 MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share)
2675 {
2676 MSVCRT_FILE *ret;
2677 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2678
2679 if (path && !(pathW = msvcrt_wstrdupa(path))) {
2680 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
2681 *MSVCRT__errno() = MSVCRT_EINVAL;
2682 return NULL;
2683 }
2684 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2685 {
2686 MSVCRT_free(pathW);
2687 MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
2688 *MSVCRT__errno() = MSVCRT_EINVAL;
2689 return NULL;
2690 }
2691
2692 ret = MSVCRT__wfsopen(pathW, modeW, share);
2693
2694 MSVCRT_free(pathW);
2695 MSVCRT_free(modeW);
2696 return ret;
2697 }
2698
2699 /*********************************************************************
2700 * fopen (MSVCRT.@)
2701 */
2702 MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode)
2703 {
2704 return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO );
2705 }
2706
2707 /*********************************************************************
2708 * fopen_s (MSVCRT.@)
2709 */
2710 int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile,
2711 const char *filename, const char *mode)
2712 {
2713 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2714 MSVCRT_CHECK_PMT(mode != NULL)) {
2715 *MSVCRT__errno() = MSVCRT_EINVAL;
2716 return MSVCRT_EINVAL;
2717 }
2718
2719 *pFile = MSVCRT_fopen(filename, mode);
2720
2721 if(!*pFile)
2722 return *MSVCRT__errno();
2723 return 0;
2724 }
2725
2726 /*********************************************************************
2727 * _wfopen (MSVCRT.@)
2728 */
2729 MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode)
2730 {
2731 return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO );
2732 }
2733
2734 /*********************************************************************
2735 * _wfopen_s (MSVCRT.@)
2736 */
2737 int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
2738 const MSVCRT_wchar_t *mode)
2739 {
2740 if (!MSVCRT_CHECK_PMT(pFile != NULL) || !MSVCRT_CHECK_PMT(filename != NULL) ||
2741 MSVCRT_CHECK_PMT(mode != NULL)) {
2742 *MSVCRT__errno() = MSVCRT_EINVAL;
2743 return MSVCRT_EINVAL;
2744 }
2745
2746 *pFile = MSVCRT__wfopen(filename, mode);
2747
2748 if(!*pFile)
2749 return *MSVCRT__errno();
2750 return 0;
2751 }
2752
2753 /* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
2754 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
2755
2756 /*********************************************************************
2757 * fputc (MSVCRT.@)
2758 */
2759 int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
2760 {
2761 if(file->_cnt>0) {
2762 *file->_ptr++=c;
2763 file->_cnt--;
2764 if (c == '\n')
2765 {
2766 int res = msvcrt_flush_buffer(file);
2767 return res ? res : c;
2768 }
2769 else
2770 return c & 0xff;
2771 } else {
2772 return MSVCRT__flsbuf(c, file);
2773 }
2774 }
2775
2776 /*********************************************************************
2777 * _flsbuf (MSVCRT.@)
2778 */
2779 int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
2780 {
2781 /* Flush output buffer */
2782 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
2783 msvcrt_alloc_buffer(file);
2784 }
2785 if(!(file->_flag & MSVCRT__IOWRT)) {
2786 if(file->_flag & MSVCRT__IORW) {
2787 file->_flag |= MSVCRT__IOWRT;
2788 } else {
2789 return MSVCRT_EOF;
2790 }
2791 }
2792 if(file->_bufsiz) {
2793 int res=msvcrt_flush_buffer(file);
2794 return res?res : MSVCRT_fputc(c, file);
2795 } else {
2796 unsigned char cc=c;
2797 int len;
2798 /* set _cnt to 0 for unbuffered FILEs */
2799 file->_cnt = 0;
2800 len = MSVCRT__write(file->_file, &cc, 1);
2801 if (len == 1) return c & 0xff;
2802 file->_flag |= MSVCRT__IOERR;
2803 return MSVCRT_EOF;
2804 }
2805 }
2806
2807 /*********************************************************************
2808 * _fputchar (MSVCRT.@)
2809 */
2810 int CDECL _fputchar(int c)
2811 {
2812 return MSVCRT_fputc(c, MSVCRT_stdout);
2813 }
2814
2815 /*********************************************************************
2816 * fread (MSVCRT.@)
2817 */
2818 MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file)
2819 { MSVCRT_size_t rcnt=size * nmemb;
2820 MSVCRT_size_t read=0;
2821 int pread=0;
2822
2823 if(!rcnt)
2824 return 0;
2825
2826 /* first buffered data */
2827 if(file->_cnt>0) {
2828 int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt;
2829 memcpy(ptr, file->_ptr, pcnt);
2830 file->_cnt -= pcnt;
2831 file->_ptr += pcnt;
2832 read += pcnt ;
2833 rcnt -= pcnt ;
2834 ptr = (char*)ptr + pcnt;
2835 } else if(!(file->_flag & MSVCRT__IOREAD )) {
2836 if(file->_flag & MSVCRT__IORW) {
2837 file->_flag |= MSVCRT__IOREAD;
2838 } else
2839 return 0;
2840 }
2841 while(rcnt>0)
2842 {
2843 int i;
2844 /* Fill the buffer on small reads.
2845 * TODO: Use a better buffering strategy.
2846 */
2847 if (!file->_cnt && size*nmemb <= MSVCRT_BUFSIZ/2 && !(file->_flag & MSVCRT__IONBF)) {
2848 if (file->_bufsiz == 0) {
2849 msvcrt_alloc_buffer(file);
2850 }
2851 file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz);
2852 file->_ptr = file->_base;
2853 i = (file->_cnt<rcnt) ? file->_cnt : rcnt;
2854 /* If the buffer fill reaches eof but fread wouldn't, clear eof. */
2855 if (i > 0 && i < file->_cnt) {
2856 MSVCRT_fdesc[file->_file].wxflag &= ~WX_ATEOF;
2857 file->_flag &= ~MSVCRT__IOEOF;
2858 }
2859 if (i > 0) {
2860 memcpy(ptr, file->_ptr, i);
2861 file->_cnt -= i;
2862 file->_ptr += i;
2863 }
2864 } else {
2865 i = MSVCRT__read(file->_file,ptr, rcnt);
2866 }
2867 pread += i;
2868 rcnt -= i;
2869 ptr = (char *)ptr+i;
2870 /* expose feof condition in the flags
2871 * MFC tests file->_flag for feof, and doesn't call feof())
2872 */
2873 if ( MSVCRT_fdesc[file->_file].wxflag & WX_ATEOF)
2874 file->_flag |= MSVCRT__IOEOF;
2875 else if (i == -1)
2876 {
2877 file->_flag |= MSVCRT__IOERR;
2878 pread = 0;
2879 rcnt = 0;
2880 }
2881 if (i < 1) break;
2882 }
2883 read+=pread;
2884 return read / size;
2885 }
2886
2887 /*********************************************************************
2888 * _wfreopen (MSVCRT.@)
2889 *
2890 */
2891 MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file)
2892 {
2893 int open_flags, stream_flags, fd;
2894
2895 TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
2896
2897 LOCK_FILES();
2898 if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend)
2899 file = NULL;
2900 else
2901 {
2902 MSVCRT_fclose(file);
2903 /* map mode string to open() flags. "man fopen" for possibilities. */
2904 if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1)
2905 file = NULL;
2906 else
2907 {
2908 fd = _wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE);
2909 if (fd < 0)
2910 file = NULL;
2911 else if (msvcrt_init_fp(file, fd, stream_flags) == -1)
2912 {
2913 file->_flag = 0;
2914 WARN(":failed-last error (%d)\n",GetLastError());
2915 msvcrt_set_errno(GetLastError());
2916 file = NULL;
2917 }
2918 }
2919 }
2920 UNLOCK_FILES();
2921 return file;
2922 }
2923
2924 /*********************************************************************
2925 * freopen (MSVCRT.@)
2926 *
2927 */
2928 MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file)
2929 {
2930 MSVCRT_FILE *ret;
2931 MSVCRT_wchar_t *pathW = NULL, *modeW = NULL;
2932
2933 if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL;
2934 if (mode && !(modeW = msvcrt_wstrdupa(mode)))
2935 {
2936 MSVCRT_free(pathW);
2937 return NULL;
2938 }
2939
2940 ret = MSVCRT__wfreopen(pathW, modeW, file);
2941
2942 MSVCRT_free(pathW);
2943 MSVCRT_free(modeW);
2944 return ret;
2945 }
2946
2947 /*********************************************************************
2948 * fsetpos (MSVCRT.@)
2949 */
2950 int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
2951 {
2952 /* Note that all this has been lifted 'as is' from fseek */
2953 if(file->_flag & MSVCRT__IOWRT)
2954 msvcrt_flush_buffer(file);
2955
2956 /* Discard buffered input */
2957 file->_cnt = 0;
2958 file->_ptr = file->_base;
2959
2960 /* Reset direction of i/o */
2961 if(file->_flag & MSVCRT__IORW) {
2962 file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT);
2963 }
2964
2965 return (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0;
2966 }
2967
2968 /*********************************************************************
2969 * ftell (MSVCRT.@)
2970 */
2971 LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file)
2972 {
2973 /* TODO: just call fgetpos and return lower half of result */
2974 int off=0;
2975 MSVCRT_long pos;
2976 pos = MSVCRT__tell(file->_file);
2977 if(pos == -1) return -1;
2978 if(file->_bufsiz) {
2979 if( file->_flag & MSVCRT__IOWRT ) {
2980 off = file->_ptr - file->_base;
2981 } else {
2982 off = -file->_cnt;
2983 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
2984 /* Black magic correction for CR removal */
2985 int i;
2986 for (i=0; i<file->_cnt; i++) {
2987 if (file->_ptr[i] == '\n')
2988 off--;
2989 }
2990 /* Black magic when reading CR at buffer boundary*/
2991 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
2992 off--;
2993
2994 }
2995 }
2996 }
2997 return off + pos;
2998 }
2999
3000 /*********************************************************************
3001 * fgetpos (MSVCRT.@)
3002 */
3003 int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos)
3004 {
3005 int off=0;
3006 *pos = MSVCRT__lseeki64(file->_file,0,SEEK_CUR);
3007 if(*pos == -1) return -1;
3008 if(file->_bufsiz) {
3009 if( file->_flag & MSVCRT__IOWRT ) {
3010 off = file->_ptr - file->_base;
3011 } else {
3012 off = -file->_cnt;
3013 if (MSVCRT_fdesc[file->_file].wxflag & WX_TEXT) {
3014 /* Black magic correction for CR removal */
3015 int i;
3016 for (i=0; i<file->_cnt; i++) {
3017 if (file->_ptr[i] == '\n')
3018 off--;
3019 }
3020 /* Black magic when reading CR at buffer boundary*/
3021 if(MSVCRT_fdesc[file->_file].wxflag & WX_READCR)
3022 off--;
3023 }
3024 }
3025 }
3026 *pos += off;
3027 return 0;
3028 }
3029
3030 /*********************************************************************
3031 * fputs (MSVCRT.@)
3032 */
3033 int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file)
3034 {
3035 MSVCRT_size_t i, len = strlen(s);
3036 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
3037 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3038 for (i=0; i<len; i++)
3039 if (MSVCRT_fputc(s[i], file) == MSVCRT_EOF)
3040 return MSVCRT_EOF;
3041 return 0;
3042 }
3043
3044 /*********************************************************************
3045 * fputws (MSVCRT.@)
3046 */
3047 int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file)
3048 {
3049 MSVCRT_size_t i, len = strlenW(s);
3050 if (!(MSVCRT_fdesc[file->_file].wxflag & WX_TEXT))
3051 return MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF;
3052 for (i=0; i<len; i++)
3053 {
3054 if ((s[i] == '\n') && (MSVCRT_fputc('\r', file) == MSVCRT_EOF))
3055 return MSVCRT_WEOF;
3056 if (MSVCRT_fputwc(s[i], file) == MSVCRT_WEOF)
3057 return MSVCRT_WEOF;
3058 }
3059 return 0;
3060 }
3061
3062 /*********************************************************************
3063 * getchar (MSVCRT.@)
3064 */
3065 int CDECL MSVCRT_getchar(void)
3066 {
3067 return MSVCRT_fgetc(MSVCRT_stdin);
3068 }
3069
3070 /*********************************************************************
3071 * getc (MSVCRT.@)
3072 */
3073 int CDECL MSVCRT_getc(MSVCRT_FILE* file)
3074 {
3075 return MSVCRT_fgetc(file);
3076 }
3077
3078 /*********************************************************************
3079 * gets (MSVCRT.@)
3080 */
3081 char * CDECL MSVCRT_gets(char *buf)
3082 {
3083 int cc;
3084 char * buf_start = buf;
3085
3086 for(cc = MSVCRT_fgetc(MSVCRT_stdin); cc != MSVCRT_EOF && cc != '\n';
3087 cc = MSVCRT_fgetc(MSVCRT_stdin))
3088 if(cc != '\r') *buf++ = (char)cc;
3089
3090 *buf = '\0';
3091
3092 TRACE("got '%s'\n", buf_start);
3093 return buf_start;
3094 }
3095
3096 /*********************************************************************
3097 * _getws (MSVCRT.@)
3098 */
3099 MSVCRT_wchar_t* CDECL MSVCRT__getws(MSVCRT_wchar_t* buf)
3100 {
3101 MSVCRT_wint_t cc;
3102 MSVCRT_wchar_t* ws = buf;
3103
3104 for (cc = MSVCRT_fgetwc(MSVCRT_stdin); cc != MSVCRT_WEOF && cc != '\n';
3105 cc = MSVCRT_fgetwc(MSVCRT_stdin))
3106 {
3107 if (cc != '\r')
3108 *buf++ = (MSVCRT_wchar_t)cc;
3109 }
3110 *buf = '\0';
3111
3112 TRACE("got %s\n", debugstr_w(ws));
3113 return ws;
3114 }
3115
3116 /*********************************************************************
3117 * putc (MSVCRT.@)
3118 */
3119 int CDECL MSVCRT_putc(int c, MSVCRT_FILE* file)
3120 {
3121 return MSVCRT_fputc(c, file);
3122 }
3123
3124 /*********************************************************************
3125 * putchar (MSVCRT.@)
3126 */
3127 int CDECL MSVCRT_putchar(int c)
3128 {
3129 return MSVCRT_fputc(c, MSVCRT_stdout);
3130 }
3131
3132 /*********************************************************************
3133 * _putwch (MSVCRT.@)
3134 */
3135 int CDECL MSVCRT__putwch(int c)
3136 {
3137 return MSVCRT_fputwc(c, MSVCRT_stdout);
3138 }
3139
3140 /*********************************************************************
3141 * puts (MSVCRT.@)
3142 */
3143 int CDECL MSVCRT_puts(const char *s)
3144 {
3145 MSVCRT_size_t len = strlen(s);
3146 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3147 return MSVCRT_fwrite("\n",1,1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3148 }
3149
3150 /*********************************************************************
3151 * _putws (MSVCRT.@)
3152 */
3153 int CDECL _putws(const MSVCRT_wchar_t *s)
3154 {
3155 static const MSVCRT_wchar_t nl = '\n';
3156 MSVCRT_size_t len = strlenW(s);
3157 if (MSVCRT_fwrite(s,sizeof(*s),len,MSVCRT_stdout) != len) return MSVCRT_EOF;
3158 return MSVCRT_fwrite(&nl,sizeof(nl),1,MSVCRT_stdout) == 1 ? 0 : MSVCRT_EOF;
3159 }
3160
3161 /*********************************************************************
3162 * remove (MSVCRT.@)
3163 */
3164 int CDECL MSVCRT_remove(const char *path)
3165 {
3166 TRACE("(%s)\n",path);
3167 if (DeleteFileA(path))
3168 return 0;
3169 TRACE(":failed (%d)\n",GetLastError());
3170 msvcrt_set_errno(GetLastError());
3171 return -1;
3172 }
3173
3174 /*********************************************************************
3175 * _wremove (MSVCRT.@)
3176 */
3177 int CDECL _wremove(const MSVCRT_wchar_t *path)
3178 {
3179 TRACE("(%s)\n",debugstr_w(path));
3180 if (DeleteFileW(path))
3181 return 0;
3182 TRACE(":failed (%d)\n",GetLastError());
3183 msvcrt_set_errno(GetLastError());
3184 return -1;
3185 }
3186
3187 /*********************************************************************
3188 * rename (MSVCRT.@)
3189 */
3190 int CDECL MSVCRT_rename(const char *oldpath,const char *newpath)
3191 {
3192 TRACE(":from %s to %s\n",oldpath,newpath);
3193 if (MoveFileExA(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3194 return 0;
3195 TRACE(":failed (%d)\n",GetLastError());
3196 msvcrt_set_errno(GetLastError());
3197 return -1;
3198 }
3199
3200 /*********************************************************************
3201 * _wrename (MSVCRT.@)
3202 */
3203 int CDECL _wrename(const MSVCRT_wchar_t *oldpath,const MSVCRT_wchar_t *newpath)
3204 {
3205 TRACE(":from %s to %s\n",debugstr_w(oldpath),debugstr_w(newpath));
3206 if (MoveFileExW(oldpath, newpath, MOVEFILE_COPY_ALLOWED))
3207 return 0;
3208 TRACE(":failed (%d)\n",GetLastError());
3209 msvcrt_set_errno(GetLastError());
3210 return -1;
3211 }
3212
3213 /*********************************************************************
3214 * setvbuf (MSVCRT.@)
3215 */
3216 int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t size)
3217 {
3218 /* TODO: Check if file busy */
3219 if(file->_bufsiz) {
3220 MSVCRT_free(file->_base);
3221 file->_bufsiz = 0;
3222 file->_cnt = 0;
3223 }
3224 if(mode == MSVCRT__IOFBF) {
3225 file->_flag &= ~MSVCRT__IONBF;
3226 file->_base = file->_ptr = buf;
3227 if(buf) {
3228 file->_bufsiz = size;
3229 }
3230 } else {
3231 file->_flag |= MSVCRT__IONBF;
3232 }
3233 return 0;
3234 }
3235
3236 /*********************************************************************
3237 * setbuf (MSVCRT.@)
3238 */
3239 void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf)
3240 {
3241 MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ);
3242 }
3243
3244 /*********************************************************************
3245 * tmpnam (MSVCRT.@)
3246 */
3247 char * CDECL MSVCRT_tmpnam(char *s)
3248 {
3249 static int unique;
3250 char tmpstr[16];
3251 char *p;
3252 int count;
3253 if (s == 0)
3254 s = MSVCRT_tmpname;
3255 msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr);
3256 p = s + sprintf(s, "\\s%s.", tmpstr);
3257 for (count = 0; count < MSVCRT_TMP_MAX; count++)
3258 {
3259 msvcrt_int_to_base32(unique++, tmpstr);
3260 strcpy(p, tmpstr);
3261 if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES &&
3262 GetLastError() == ERROR_FILE_NOT_FOUND)
3263 break;
3264 }
3265 return s;
3266 }
3267
3268 /*********************************************************************
3269 * tmpfile (MSVCRT.@)
3270 */
3271 MSVCRT_FILE* CDECL MSVCRT_tmpfile(void)
3272 {
3273 char *filename = MSVCRT_tmpnam(NULL);
3274 int fd;
3275 MSVCRT_FILE* file = NULL;
3276
3277 LOCK_FILES();
3278 fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY);
3279 if (fd != -1 && (file = msvcrt_alloc_fp()))
3280 {
3281 if (msvcrt_init_fp(file, fd, MSVCRT__O_RDWR) == -1)
3282 {
3283 file->_flag = 0;
3284 file = NULL;
3285 }
3286 else file->_tmpfname = _strdup(filename);
3287 }
3288 UNLOCK_FILES();
3289 return file;
3290 }
3291
3292 /*********************************************************************
3293 * vfprintf (MSVCRT.@)
3294 */
3295 int CDECL MSVCRT_vfprintf(MSVCRT_FILE* file, const char *format, __ms_va_list valist)
3296 {
3297 char buf[2048], *mem = buf;
3298 int written, resize = sizeof(buf), retval;
3299 /* There are two conventions for vsnprintf failing:
3300 * Return -1 if we truncated, or
3301 * Return the number of bytes that would have been written
3302 * The code below handles both cases
3303 */
3304 while ((written = MSVCRT_vsnprintf(mem, resize, format, valist)) == -1 ||
3305 written > resize)
3306 {
3307 resize = (written == -1 ? resize * 2 : written + 1);
3308 if (mem != buf)
3309 MSVCRT_free (mem);
3310 if (!(mem = MSVCRT_malloc(resize)))
3311 return MSVCRT_EOF;
3312 }
3313 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3314 if (mem != buf)
3315 MSVCRT_free (mem);
3316 return retval;
3317 }
3318
3319 /*********************************************************************
3320 * vfwprintf (MSVCRT.@)
3321 * FIXME:
3322 * Is final char included in written (then resize is too big) or not
3323 * (then we must test for equality too)?
3324 */
3325 int CDECL MSVCRT_vfwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, __ms_va_list valist)
3326 {
3327 MSVCRT_wchar_t buf[2048], *mem = buf;
3328 int written, resize = sizeof(buf) / sizeof(MSVCRT_wchar_t), retval;
3329 /* See vfprintf comments */
3330 while ((written = MSVCRT_vsnwprintf(mem, resize, format, valist)) == -1 ||
3331 written > resize)
3332 {
3333 resize = (written == -1 ? resize * 2 : written + sizeof(MSVCRT_wchar_t));
3334 if (mem != buf)
3335 MSVCRT_free (mem);
3336 if (!(mem = MSVCRT_malloc(resize*sizeof(*mem))))
3337 return MSVCRT_EOF;
3338 }
3339 retval = MSVCRT_fwrite(mem, sizeof(*mem), written, file);
3340 if (mem != buf)
3341 MSVCRT_free (mem);
3342 return retval;
3343 }
3344
3345 /*********************************************************************
3346 * vprintf (MSVCRT.@)
3347 */
3348 int CDECL MSVCRT_vprintf(const char *format, __ms_va_list valist)
3349 {
3350 return MSVCRT_vfprintf(MSVCRT_stdout,format,valist);
3351 }
3352
3353 /*********************************************************************
3354 * vwprintf (MSVCRT.@)
3355 */
3356 int CDECL MSVCRT_vwprintf(const MSVCRT_wchar_t *format, __ms_va_list valist)
3357 {
3358 return MSVCRT_vfwprintf(MSVCRT_stdout,format,valist);
3359 }
3360
3361 /*********************************************************************
3362 * fprintf (MSVCRT.@)
3363 */
3364 int CDECL MSVCRT_fprintf(MSVCRT_FILE* file, const char *format, ...)
3365 {
3366 __ms_va_list valist;
3367 int res;
3368 __ms_va_start(valist, format);
3369 res = MSVCRT_vfprintf(file, format, valist);
3370 __ms_va_end(valist);
3371 return res;
3372 }
3373
3374 /*********************************************************************
3375 * fwprintf (MSVCRT.@)
3376 */
3377 int CDECL MSVCRT_fwprintf(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, ...)
3378 {
3379 __ms_va_list valist;
3380 int res;
3381 __ms_va_start(valist, format);
3382 res = MSVCRT_vfwprintf(file, format, valist);
3383 __ms_va_end(valist);
3384 return res;
3385 }
3386
3387 /*********************************************************************
3388 * printf (MSVCRT.@)
3389 */
3390 int CDECL MSVCRT_printf(const char *format, ...)
3391 {
3392 __ms_va_list valist;
3393 int res;
3394 __ms_va_start(valist, format);
3395 res = MSVCRT_vfprintf(MSVCRT_stdout, format, valist);
3396 __ms_va_end(valist);
3397 return res;
3398 }
3399
3400 /*********************************************************************
3401 * ungetc (MSVCRT.@)
3402 */
3403 int CDECL MSVCRT_ungetc(int c, MSVCRT_FILE * file)
3404 {
3405 if (c == MSVCRT_EOF)
3406 return MSVCRT_EOF;
3407 if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
3408 msvcrt_alloc_buffer(file);
3409 file->_ptr++;
3410 }
3411 if(file->_ptr>file->_base) {
3412 file->_ptr--;
3413 *file->_ptr=c;
3414 file->_cnt++;
3415 MSVCRT_clearerr(file);
3416 return c;
3417 }
3418 return MSVCRT_EOF;
3419 }
3420
3421 /*********************************************************************
3422 * ungetwc (MSVCRT.@)
3423 */
3424 MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file)
3425 {
3426 MSVCRT_wchar_t mwc = wc;
3427 char * pp = (char *)&mwc;
3428 int i;
3429 for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) {
3430 if(pp[i] != MSVCRT_ungetc(pp[i],file))
3431 return MSVCRT_WEOF;
3432 }
3433 return mwc;
3434 }
3435
3436 /*********************************************************************
3437 * wprintf (MSVCRT.@)
3438 */
3439 int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...)
3440 {
3441 __ms_va_list valist;
3442 int res;
3443 __ms_va_start(valist, format);
3444 res = MSVCRT_vwprintf(format, valist);
3445 __ms_va_end(valist);
3446 return res;
3447 }
3448
3449 /*********************************************************************
3450 * _getmaxstdio (MSVCRT.@)
3451 */
3452 int CDECL _getmaxstdio(void)
3453 {
3454 FIXME("stub, always returns 512\n");
3455 return 512;
3456 }
3457
3458 /*********************************************************************
3459 * _setmaxstdio_ (MSVCRT.@)
3460 */
3461 int CDECL _setmaxstdio(int newmax)
3462 {
3463 int res;
3464 if( newmax > 2048)
3465 res = -1;
3466 else
3467 res = newmax;
3468 FIXME("stub: setting new maximum for number of simultaneously open files not implemented,returning %d\n",res);
3469 return res;
3470 }
3471
3472 /*********************************************************************
3473 * __pioinfo (MSVCRT.@)
3474 * FIXME: see MSVCRT_MAX_FILES define.
3475 */
3476 ioinfo * MSVCRT___pioinfo[] = { /* array of pointers to ioinfo arrays [64] */
3477 &MSVCRT_fdesc[0 * 64], &MSVCRT_fdesc[1 * 64], &MSVCRT_fdesc[2 * 64],
3478 &MSVCRT_fdesc[3 * 64], &MSVCRT_fdesc[4 * 64], &MSVCRT_fdesc[5 * 64],
3479 &MSVCRT_fdesc[6 * 64], &MSVCRT_fdesc[7 * 64], &MSVCRT_fdesc[8 * 64],
3480 &MSVCRT_fdesc[9 * 64], &MSVCRT_fdesc[10 * 64], &MSVCRT_fdesc[11 * 64],
3481 &MSVCRT_fdesc[12 * 64], &MSVCRT_fdesc[13 * 64], &MSVCRT_fdesc[14 * 64],
3482 &MSVCRT_fdesc[15 * 64], &MSVCRT_fdesc[16 * 64], &MSVCRT_fdesc[17 * 64],
3483 &MSVCRT_fdesc[18 * 64], &MSVCRT_fdesc[19 * 64], &MSVCRT_fdesc[20 * 64],
3484 &MSVCRT_fdesc[21 * 64], &MSVCRT_fdesc[22 * 64], &MSVCRT_fdesc[23 * 64],
3485 &MSVCRT_fdesc[24 * 64], &MSVCRT_fdesc[25 * 64], &MSVCRT_fdesc[26 * 64],
3486 &MSVCRT_fdesc[27 * 64], &MSVCRT_fdesc[28 * 64], &MSVCRT_fdesc[29 * 64],
3487 &MSVCRT_fdesc[30 * 64], &MSVCRT_fdesc[31 * 64]
3488 } ;
3489
3490 /*********************************************************************
3491 * __badioinfo (MSVCRT.@)
3492 */
3493 ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT };
Windows API implementation